Daisy
Last Updated: Feb 9, 2026
3.9
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| A. O. Smith Water Treatment | 9.85 | ✅ | ✅ | ✅ |
Instantly Experience Hot Water - Enjoy the comfort and convenience of hot water in your home without the wait.
Energy & Cost Efficient - The most energy efficient circulator on the market that reduces waste and costs associated with the consumption of water.
Fully Automatic Operation - This under sink recirculation system is controlled with a built-in thermostat and timer to conserve water. The pump typically runs three to four times per hour for one to two minutes.
For technical support or installation questions, contact (401) 785-3000. One Wrench Installation - Kit includes stainless steel pump, 2 braided hoses, 2 tees and all necessary fittings. Installs under sink in less than 10 minutes. Pump is designed for indoor installation. No plumber required.
Without Dedicated Return Line - Designed for single pipe system homes without an existing hot water return line and up to 250 ft of household piping. Works with standard hot water tank or indirect water heater. Electrical outlet required under sink.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SURPLUS SUPPLY | 4.46 | ❌ | ❌ | ❌ |
Meets or exceeds the thermal efficiency and/or standby loss requirements
Electronic Ignition
CSA Certified and ASME Rated TandP Relief Valve
Handhole Cleanout
Vent Size: 6
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Buildcom | 9.74 | ❌ | ❌ | ❌ |
Air-Fuel ratio (AFR) sensor
Exhaust and water temperature safety control
Overheat cutoff fuse
4" pipe vents up to 50 equivalent feet or 3" pipe vents up to 25 equivalent feet
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Plumbing Planet | 9.67 | ❌ | ❌ | ❌ |
Compact design
Side-Mounted Plumbing and Electrical Connections
Designed for Installation UnderSide-Mounted Plumbing and Electrical Connectionsa Counter
Durable Tamper-Resistant Brass Drain Valve
No. of Elements: 1
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Complies with SCAQMD Rule 1146.2, Southern California and texas Approved
Rated Category 1 Appliance
Included Draft Built-In Blower
Uses Standard Metal Single Wall or Double Wall Type B Vent
Vent Size: 6
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Meets or exceeds the thermal efficiency and/or standby loss requirements
Electronic Ignition
CSA Certified and ASME Rated TandP Relief Valve
Handhole Cleanout
Vent Size: 6
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Complies with SCAQMD Rule 1146.2, Southern California and texas Approved
Rated Category 1 Appliance
Included Draft Built-In Blower
Uses Standard Metal Single Wall or Double Wall Type B Vent
Vent Size: 6
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ResearchWaterFilters | 5.20 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Heat and Air Wholesale | 1.05 | ❌ | ❌ | ❌ |
40 gallon tank
36,000 BTU gas burner
GCR-40 standard vent
6 year limited tank warranty
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Dynaclean diffuser dip tube-helps reduce lime and sediment buildup, maximizes hot water output
Green Choice gas burner-patented design reduces NOx emissions
Coregard magnesium anode
Push-button Piezo ignitor
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Dynaclean diffuser dip tube-helps reduce lime and sediment buildup, maximizes hot water output
Green Choice gas burner-patented design reduces NOx emissions
Coregard aluminum anode
Push-button Piezo ignitor
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Dynaclean diffuser dip tube-helps reduce lime and sediment buildup, maximizes hot water output
Green Choice gas burner-patented design reduces NOx emissions
Coregard aluminum anode
Push-button Piezo ignitor
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Ao Smith | 12 |
We've carried out a comprehensive analysis of 211 reviews on heaters, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select heaters priced around $3,632.14, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 12 heaters for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
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