Best Classacustoms Rv Freshwater Tanks in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
30 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 34.5” Longest Length (not including fittings) x 12” x 17.5” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.: (TWO) 1.5" Balloon Style Threaded Female NPT Standard - fitting will be closed, to use remove inner membrane with razor knife (TWO) .5" Threaded Female NPT Standard - open fitting, unsealed
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
10 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 19” Longest Length (not including fittings) x 9” x 14” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
5 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 17 1/2” Longest Length (not including fittings) x 7” x 9 1/2” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (ONE) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (THREE) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
20 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 48” Longest Length (not including fittings) x 8.5” height x 13” width - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and water-tight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT Over-tighten fitting damage will occur – Use plastic threaded fittings, metal threads may damage tank fittings
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
100 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 50” Longest Length (not including fittings) x 18” x 26” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (SIX) 1.5" Female NPT Fitting - fitting is sealed and water-tight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT Over-tighten fitting damage will occur – Use plastic threaded fittings, metal threads may damage tank fittings
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
40 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 39 1/2” Longest Length (not including fittings) x 13” x 18” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
46 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 42” Longest Length (not including fittings) x 14” x 18” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
21 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 34” Longest Length (not including fittings) x 9” x 16” ” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
13 Gallon Fresh Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe WATER TANK MEASUREMENTS SEE PHOTOS Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
TANK BUILT-IN FITTINGS: (ONE) 1.25" Outer Diameter x 2" Long Boss Fitting (Smooth Pipe / Spout) fitting is open and glue does not stick to pipe, hose with clamp needed (THREE) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
25 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 33 1/2" Longest Length (not including fittings) x 10" x 17" - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
20 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 32.5” Longest Length (not including fittings) x 11.75” x 11.75” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and water-tight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT Over-tighten fitting damage will occur – Use plastic threaded fittings, metal threads may damage tank fittings
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
30 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 48” Longest Length (not including fittings) x 8.5” x 20.5” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and water-tight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT Over-tighten fitting damage will occur – Use plastic threaded fittings, metal threads may damage tank fittings
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
23 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 39 1/2” Longest Length (not including fittings) x 8 3/4" x 14 3/4" - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
30 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 34 1/2” Longest Length (not including fittings) x 12” x 17 1/2” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
125 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 64.5” Longest Length (not including fittings) x 18” x 26.25” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (SIX) 1.5" Female NPT Fitting - fitting is sealed and water-tight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT Over-tighten fitting damage will occur – Use plastic threaded fittings, metal threads may damage tank fittings
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
33 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 36” Longest Length (not including fittings) x 12” x 17.75” Average thickness 7/32” +/- (+/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
20 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 32 1/2" Longest Length (not including fittings) x 11 3/4” x 11 3/4” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (ONE) 1.25" Outer Diameter x 2" Long Boss Fitting (Smooth Pipe / Spout) fitting is open and glue does not stick to pipe, hose with clamp needed (THREE) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
40 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 39 1/2” Longest Length (not including fittings) x 13” x 18” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
30 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 48” Longest Length (not including fittings) x 8.5” x 20.5” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and water-tight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT Over-tighten fitting damage will occur – Use plastic threaded fittings, metal threads may damage tank fittings
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES: (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
42 Gallon Fresh Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe WATER TANK MEASUREMENTS: 27.5” Longest Length (not including fittings) x 15.25” x 22.5 - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
classAcustoms 12 VOLT Fresh Water Pump MODEL # 12V3 - FRESH WATER USE ONLY - OPEN FLOW 11.6LPM / 3.0GPM AMPS 4.0A MAX AMPS 8.0A SHUT OFF PRESSURE 45PSI/3.1 Bar ON-DEMAND PUMP only turns on when senses pressure changes in line 12 VOLT POWER ONLY 110/115/220 volt will damage the unit - READ INSTRUCTION BOOKLER BEFORE INSTALLATION
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
21 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 34” Longest Length (not including fittings) x 9” x 16” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
23 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 39 1/2” Longest Length (not including fittings) x 8 3/4" x 14 3/4" - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
16 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 26” Longest Length (not including fittings) x 9” x 16” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
5 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 17 1/2” Longest Length (not including fittings) x 7” x 9 1/2” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (ONE) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (THREE) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
20 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 32 1/2" Longest Length (not including fittings) x 11 3/4” x 11 3/4” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
18 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
WATER TANK MEASUREMENTS: 23” Longest Length (not including fittings) x 10.5” x 17.5” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
20 Gallon Fresh Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe WATER TANK MEASUREMENTS: 32.5” Longest Length (not including fittings) x 11.75” x 11.75” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
classAcustoms 12 VOLT Fresh Water Pump MODEL # 12V3 - FRESH WATER USE ONLY - OPEN FLOW 11.6LPM / 3.0GPM AMPS 4.0A MAX AMPS 8.0A SHUT OFF PRESSURE 45PSI/3.1 Bar ON-DEMAND PUMP only turns on when senses pressure changes in line 12 VOLT POWER ONLY 110/115/220 volt will damage the unit - READ INSTRUCTION BOOKLER BEFORE INSTALLATION
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| classAcustoms | 9.66 | ❌ | ❌ | ❌ |
30 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - BPA FREE - NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Gray Water Storage ||WATER TANK MEASUREMENTS: 34 1/2” Longest Length (not including fittings) x 12” x 17 1/2” (rotate tank to change height or width) Average thickness 7/32” +/- (+/- .25" on each measurement)
TANK BUILT-IN FITTINGS: (TWO) 1.5" Balloon Style Threaded Female NPT Standard - fitting will be closed, to use remove inner membrane with razor knife (TWO) .5" Threaded Female NPT Standard - open fitting, unsealed
NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT hook garden hose directly to tank doing so will cause tank to explode resulting in damage.
BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
classAcustoms 12 VOLT FRESH WATER PUMP | on demand diaphragm pump | MODEL # 12V3 - READ INCLUDED INSTRUCTIONS BEFORE INSTALLATION / USE
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Class A Customs | 28 |
We've carried out a comprehensive analysis of 2,316 reviews on rv freshwater tanks, using our selection criteria to identify the best options in the rv parts & accessories. Our findings reveal that most customers typically select rv freshwater tanks priced around $135.66, with top brands including camco, recpro, class a customs, classacustoms, toughgrade, generic, thetford, novino and yitahome and barker
Our team of expert editors reviewed these high-quality items and handpicked the top 28 rv freshwater tanks for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the rv parts & accessories category. These include amazon.com, jis inc ✅, recpro®, classacustoms, factoryrv, conkey's outdoors, |performance|, novino and 4wheel online and unbeatablesale, inc .
We are dedicated to assisting our users in finding the right inlets Products based on their needs, saving them considerable time when choosing which rv freshwater tanks to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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