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156 complete heaters, 70 service parts and kits

All tankless water heaters compared (2026), page 9 of 10

Reviews 193 to 216 of 226, still sorted by our rating. This page opens with the Noritz NR66ODLP Outdoor Propane at 6.2/10.

Category
Rating

24 products

6.2/10
Noritz NR66ODLP Outdoor Propane
6.6 GPM · 140,000 BTU/hNoritz NR66ODLP Outdoor Propane$1,130.34 on Sep 30, 2026, may have changed5 buyer reviews
6.2/10
ThermoMate 27 kW Electric
6.6 GPM · 27 kW · 240 VThermoMate 27 kW Electric$446.49 on Sep 30, 2026, may have changed36 buyer reviews
6.1/10
GELRIUNY Condensate Neutralizer Kit
GELRIUNY Condensate Neutralizer Kit$72.99 on Sep 30, 2026, may have changedSpec-based rating
6.0/10
HeSun TANK001-1 Expansion Tank, 2.1 gal
HeSun TANK001-1 Expansion Tank, 2.1 gal$39.98 on Sep 30, 2026, may have changedSpec-based rating
6.0/10
EcoSmart POU 4T, 3.5 kW 120V
3.5 kW · 120 VEcoSmart POU 4T, 3.5 kW 120V$169.69 on Sep 30, 2026, may have changedSpec-based rating
6.0/10
Lisnhlin Neutralizer Kit (804000074)
Lisnhlin Neutralizer Kit (804000074)$62.99 on Sep 30, 2026, may have changedSpec-based rating
6.0/10
Rheem RTEX-06T, 6.5 kW 240V
6.5 kW · 240 VRheem RTEX-06T, 6.5 kW 240V$189 on Sep 30, 2026, may have changedSpec-based rating
6.0/10
Rinnai RUCS65IN Natural Gas
6.5 GPMRinnai RUCS65IN Natural Gas$849 on Sep 30, 2026, may have changed62 buyer reviews
5.9/10
MRNIU 36 kW Electric, 240V
36 kW · 240 VMRNIU 36 kW Electric, 240V$324.90 on Sep 30, 2026, may have changed5 buyer reviews
5.9/10
EcoSmart ECO 8, 8 kW
8 kWEcoSmart ECO 8, 8 kW$219 on Sep 30, 2026, may have changedSpec-based rating
5.9/10
EcoSmart POU 6, 6 kW
6 kWEcoSmart POU 6, 6 kW$203.32 on Sep 30, 2026, may have changedSpec-based rating
5.9/10
Rheem RETEX-36 Performance, 36 kW
6 GPM · 36 kWRheem RETEX-36 Performance, 36 kW$752.99 on Sep 30, 2026, may have changedSpec-based rating
5.8/10
Noritz RC-7651M Remote Controller
Noritz RC-7651M Remote Controller$199.99 on Sep 30, 2026, may have changedSpec-based rating
5.8/10
Rheem RTEX-27, 240V
240 VRheem RTEX-27, 240V$689.99 on Sep 30, 2026, may have changedSpec-based rating
5.7/10
Novieex 100,000 BTU Natural Gas Indoor
4.3 GPM · 100,000 BTU/h · 110 VNovieex 100,000 BTU Natural Gas Indoor$269.97 on Sep 30, 2026, may have changed45 buyer reviews
5.6/10
Eemax EEM24036, 36 kW
36 kWEemax EEM24036, 36 kW$747.67 on Sep 30, 2026, may have changedSpec-based rating
5.6/10
Eemax HA036240, 36 kW 240V
36 kW · 240 VEemax HA036240, 36 kW 240V$763.05 on Sep 30, 2026, may have changed34 buyer reviews
5.5/10
Rheem RTGH 9.0 GPM Natural Gas Indoor
9 GPM · 180,000 BTU/hRheem RTGH 9.0 GPM Natural Gas Indoor$1,219.99 on Sep 30, 2026, may have changed30 buyer reviews
5.5/10
Westinghouse 180,000 BTU Propane Outdoor
8.1 GPM · 180,000 BTU/h · 120 VWestinghouse 180,000 BTU Propane Outdoor$799.98 on Sep 30, 2026, may have changed34 buyer reviews
5.4/10
Rinnai RXP160iN Condensing Smart Sense
9 GPMRinnai RXP160iN Condensing Smart Sense$1,685.60 on Sep 30, 2026, may have changed34 buyer reviews
5.4/10
Westinghouse 18 kW Electric, 240V
18 kW · 240 VWestinghouse 18 kW Electric, 240V$407.99 on Sep 30, 2026, may have changed37 buyer reviews
4.9/10
Ranein 18L Propane Outdoor, 85,300 BTU
4.74 GPM · 85,300 BTU/hRanein 18L Propane Outdoor, 85,300 BTU$288.15 on Sep 30, 2026, may have changed34 buyer reviews
4.8/10
Westinghouse 24 kW Electric, 240V
5.55 GPM · 24 kW · 240 VWestinghouse 24 kW Electric, 240V$499.99 on Sep 30, 2026, may have changed21 buyer reviews
4.7/10
Ranein 12L Propane Outdoor, 68,000 BTU
3.18 GPM · 68,000 BTU/hRanein 12L Propane Outdoor, 68,000 BTU$239 on Sep 30, 2026, may have changed34 buyer reviews

Product images: Amazon listings

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