Daisy
Last Updated: Feb 8, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| True Energy | 9.79 | ✅ | ✅ | ✅ |
4 Piece Tankless Water Heater Flush Kit. Helps maintain and extend the lifespan of your tankless water heater
Kit comes with 3.5 gallon bucket with lid, 1/6 HP Pump, and 2 Steel hoses. Just add 2-3 gallons of vinegar or your own descaling solution
Works with most all tankless water heaters such as Rinnai, Bosch, Noritz, Rheem, Takagi, Tempra, Navien, Ecosmart, Stiebel, Eccotemp, Atmor, Trutankless, Marey Power, and others.
6 Foot hoses easily connect to tankless heater valves, and the kit will clean most heaters in 30 minutes or less! Usage instructions are included as an info-graphic on this listing as well as with your kit.
Chromex manufactures a variety of quality tools for both the do it yourself-er and the professional. We know that sometimes things can get a bit messy. We are here to help! Please contact us with any questions or concerns. All our products also come with a 1-year warranty and hassle-free returns.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Zurety | 9.92 | ❌ | ❌ | ❌ |
***Kit requires 2 gallons of white vinegar*** Not included. Some tankless manufacturers recommend using vinegar or another cleanser for flushing their equipment. Can also save money if you have vinegar at home already.
Helps maintain the performance and extend the life of your tankless hot water heater. Easy directions for DIY Homeowner use.
Includes 1/8 HP Utility Pump, 6 Ft Color Coded Hoses, 3.5 Gallon Bucket with EZ Open Lid & Instructions for using vinegar. Peel Off Lid is super flexible and much easier to remove than traditional paint bucket lids.
Easily connects to tankless isolation valves using supplied 6' Color Coded Hoses.
Works with Rheem, Bosch, Noritz, Rinnai, Takagi, Navien, Stiebel, Atmor, Ecosmart, Eccotemp, Marey Power, Tempra, Trutankless and others.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CARESAN | 5.23 | ❌ | ❌ | ❌ |
External adjustable digital thermostatic control with LED display (+/1 degree accuracy
Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
54 A
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
ON/OFF Dial Control with adjustable digital temperature display
Self-modulating power control
24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
Bottom 3/4" NPT water connections
On demand, consistent and continuous hot water
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
ON/OFF Dial Control with adjustable digital temperature display
Self-modulating power control
8kW Model Flow Rate: up to 1.95 GPM
Side 1/2" NPT water connections
On demand; continous hot water
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Exclusive Water Savings technology conserving up to 1, 100 gallons per year
157, 000 BTU (gas consumed per hour)
Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
Recirculation pump ready kit ready
For use outdoors with freeze protection up to -30 degrees
Fuel Type: Natural Gas
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Hot water without the wait - or the waste
Low operating cost - High energy efficiency and water savings setting
Space Savings - Compact, space-saving design. Perfect for a tank replacement.
Water & Gas Leak Detection will shut down unit and provide an error code
For use indoor only
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f
RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
Hot water without the wait - or the waste
Low operating cost - High energy efficiency and water savings setting
Space Savings - Compact, space-saving design. Perfect for a tank replacement.
Water & Gas Leak Detection will shut down unit and provide an error code
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Discount world 3 | 5.11 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Exclusive Water Savings technology conserving up to 1, 100 gallons per year
199, 900 BTU (gas consumed per hour)
Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
Recirculation pump kit ready
For use indoor only
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Continuous Hot Water – never run out of hot water, even with back-to-back showers
Tankless Gas Water Heaters are cost saving and energy efficient
Reduces Energy Consumption - Automatically adjusts the amount of energy required to heat the water you need
Easy, Convenient Control –Easily adjust water temperature ranging from 85˚F–140˚F
For use outdoor with freeze protection up to -30 degrees
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Continuous Hot Water – never run out of hot water, even with back-to-back showers
Tankless Gas Water Heaters are cost saving and energy efficient
Reduces Energy Consumption - Automatically adjusts the amount of energy required to heat the water you need
Easy, Convenient Control –Easily adjust water temperature ranging from 85˚F–140˚F
For indoor use only
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Supply Bros. | 9.68 | ❌ | ❌ | ❌ |
Price For: Each Water Connection: 3/4" NPT Phase: 1 Max. Pressure: 150 psi Item: Electric Water Heater Residential / Commercial: Residential Manufacturers Warranty Length: 6-yr. Limited Tank and Parts Includes: T and P Valve, Brass Drain Valve, Everkleen(TM) Dip Tube Standards: Meets or Exceeds ANSI, Meets or Exceeds NAECA, ASHRAE Standard 90, ICC Code
Features: Electric Junction Box Above Elements, Over Temperature Protector, Automatic Thermostat Amps AC: 18.8 Voltage: 240VAC Total Watts: 4500 Tank Capacity: 50 gal. Height to T and P Opening: 58-5/8" Overall Height: 58-5/8" Height to Hot Side Connection: 58-5/8" Energy Factor: 0.95 Height to Cold Side Connection: 58-5/8" Connection Location: Top Recovery @ 90 F Rise: 21.0 gph
Temp. Range: 120 Degrees to 160 Degrees F Jacket Dia.: 20-3/8" Number of Elements: 2 Compliance: UL, AHRI, Low Lead Compliant Country of Origin (subject to change): Multiple
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Rheemglas lined tank
R-Foam insulation
Anode Rod protects against corrosion
Automatic temperature control thermostat
Direct immersion heating element
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Rheem | 30 |
| Chromex | 1 |
| Kelaro | 1 |
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