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156 complete heaters, 70 service parts and kits

All tankless water heaters compared (2026), page 5 of 10

Reviews 97 to 120 of 226, still sorted by our rating. This page opens with the Rinnai RE180iP Non-Condensing at 7.1/10.

Category
Rating

24 products

7.1/10
Rinnai RE180iP Non-Condensing
8.5 GPMRinnai RE180iP Non-Condensing$1,091.16 on Sep 30, 2026, may have changedSpec-based rating
7.1/10
Rinnai RE199eN Non-Condensing
7.6 GPMRinnai RE199eN Non-Condensing$1,280.79 on Sep 30, 2026, may have changedSpec-based rating
7.1/10
Rinnai RE199eP Non-Condensing
7.6 GPMRinnai RE199eP Non-Condensing$1,280.79 on Sep 30, 2026, may have changed12 buyer reviews
7.1/10
FILGAUR Flushing Kit, Brushless Pump
FILGAUR Flushing Kit, Brushless Pump$59.99 on Sep 30, 2026, may have changedSpec-based rating
7.1/10
Vancepic 100,000 BTU Natural Gas Indoor
4.3 GPM · 100,000 BTU/hVancepic 100,000 BTU Natural Gas Indoor$259.99 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
xwdzswgs 3,000 W Under-Sink, 110V
110 Vxwdzswgs 3,000 W Under-Sink, 110V$59.98 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
6699 Flushing Kit, 1/6 HP Pump
6699 Flushing Kit, 1/6 HP Pump$79.99 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Emnrod Neutralizer Kit (804000074)
Emnrod Neutralizer Kit (804000074)See current priceSpec-based rating
7.0/10
ZeroPone 120W Recirculating Pump
ZeroPone 120W Recirculating Pump$64.99 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
VELPAX 20L Natural Gas Outdoor
5.26 GPM · 120,000 BTU/h · 120 VVELPAX 20L Natural Gas Outdoor$279.99 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
VELPAX 110,000 BTU Natural Gas Outdoor
4.76 GPM · 110,000 BTU/h · 110 VVELPAX 110,000 BTU Natural Gas Outdoor$349.99 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
VELPAX 110,000 BTU Propane Outdoor
4.76 GPM · 110,000 BTU/h · 110 VVELPAX 110,000 BTU Propane Outdoor$349.99 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
STPFFOT 130,000 BTU Propane Outdoor
5.2 GPM · 130,000 BTU/hSTPFFOT 130,000 BTU Propane Outdoor$419.99 on Sep 30, 2026, may have changed2 buyer reviews
7.0/10
Rheem 3.5 kW Point-of-Use, 120V
3.5 kW · 120 VRheem 3.5 kW Point-of-Use, 120V$148.95 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Rheem RTG 7.0 GPM Natural Gas Indoor
7 GPM · 160,000 BTU/hRheem RTG 7.0 GPM Natural Gas Indoor$653.77 on Sep 30, 2026, may have changed65 buyer reviews
7.0/10
Rinnai RE140eP Non-Condensing
5.3 GPMRinnai RE140eP Non-CondensingSee current price13 buyer reviews
7.0/10
Rinnai RE140iP Non-Condensing
5.3 GPMRinnai RE140iP Non-Condensing$795.69 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Rinnai RE180eN Non-Condensing
6.9 GPMRinnai RE180eN Non-Condensing$1,091.16 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Rinnai RE199iP Non-Condensing
7.6 GPMRinnai RE199iP Non-Condensing$1,280.79 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Rinnai RUCS65IP Propane
6.5 GPMRinnai RUCS65IP Propane$849 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Stiebel Eltron Tempra 20 Trend
19.2 kW · 240 VStiebel Eltron Tempra 20 Trend$544.43 on Sep 30, 2026, may have changed103 buyer reviews
7.0/10
Stiebel Eltron Tempra 29 Trend
28.8 kW · 240 VStiebel Eltron Tempra 29 Trend$639.99 on Sep 30, 2026, may have changed98 buyer reviews
7.0/10
Amzgachfktch 4.75 GPM Natural Gas
4.75 GPM · 102,000 BTU/h · 120 VAmzgachfktch 4.75 GPM Natural Gas$189.99 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Watts ETX-30 Expansion Tank, 4.5 gal
Watts ETX-30 Expansion Tank, 4.5 galSee current priceSpec-based rating

Product images: Amazon listings

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