Water Heaters
69 Products- Price (High to Low)
- Price (Low to High)
- Model Number
- Best Selling
- Highest Rated
Fuel Type: Natural Gas x
- Narrow Your ResultsEXPAND ALL
- Shop Water Heaters
Rinnai Sensei 11 GPM 199000 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Outdoor InstallationModel: RU199EN$1,384.11
Rinnai Sensei 11 GPM 199000 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Indoor InstallationModel: RU199IN$1,537.90
Rinnai 7.5 GPM Residential Indoor Natural Gas Tankless Water Heater with 160,000 BTU Max Input from the Ultra SeriesModel: RUCS75iN$1,135.90
Rinnai Sensei 9 GPM 160000 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Indoor InstallationModel: RU160IN$1,172.43
Rinnai Sensei 8.0 GPM 160,000 BTU 120 Volt Natural Gas Tankless Water Heater for Indoor InstallationModel: RSC160IN$1,415.00
Rinnai 7.5 GPM Residential Outdoor Natural Gas Tankless Water Heater with 160,000 BTU Max Input and Electronic Water Control from the Ultra SeriesModel: RUS75EN$1,135.90
Noritz 9.8 GPM 199900 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Single Vent ExhaustModel: NR98-SV-NG$1,444.96
AO Smith 10 GPM Condensing Ultra Low NOx Natural Gas Indoor Tankless Water Heater with 199000 Maximum BTU Input - Family of 4-5Model: ATI-540H-N$1,644.40
Rinnai Sensei 9.8 GPM 199,000 BTU 120 Volt Natural Gas Tankless Water Heater for Outdoor InstallationModel: RSC199EN$2,019.60- Rinnai 6.5 GPM Residential Indoor Natural Gas Tankless Water Heater with 130,000 BTU Max Input from the Ultra SeriesModel: RUCS65IN$983.89
- Noritz 9.8 GPM 199900 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Outdoor InstallationModel: NR98-OD-NG$1,556.10
- Rinnai Outdoor Whole House Natural Gas Tankless Water Heater 5.3 Gallons Per MinuteModel: V53DeN$669.71
- Noritz Outdoor Tankless Natural Gas Water Heater - 5 GPM 120000 BTU 120VModel: NR501-OD-NG$694.07
- Noritz 11.1 GPM 199900 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Direct Vent ExhaustModel: NRC111-DV-NG$1,779.85
- Noritz 7.1 GPM 157000 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Direct Vent ExhaustModel: NRC711-DV-NG$1,458.47
- Rinnai 6.5 GPM Residential Outdoor Natural Gas Tankless Water Heater with 130,000 BTU Max Input and Electronic Water Control from the Ultra SeriesModel: RUS65EN$983.89
- Noritz 9.8 GPM 180000 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Outdoor InstallationModel: NRC98-OD-NG$1,703.16
- Noritz 7.1 GPM 157000 BTU 120 Volt Residential Outdoor Tankless Water HeaterModel: NRC711-ODStarting at $1,423.74
- Noritz 9.8 GPM 180000 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Direct Vent ExhaustModel: NRC98-DV-NG$1,703.16
- Rinnai 8.5 GPM 180,000 BTU 120 Volt Natural Gas Tankless Water Heater for Indoor InstallationModel: RE180IN$1,184.25
- Rinnai 9.8 GPM 199,000 BTU 120 Volt Natural Gas Tankless Water Heater for Indoor InstallationModel: RE199IN$1,297.10
- Rinnai Sensei 10 GPM 180000 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Indoor InstallationModel: RU180IN$1,273.23
- Takagi 200 Series 8 GPM 190000 BTU 120V Residential Natural Gas/Liquid Propane Tankless Water HeaterModel: TK-310U-E$1,162.16
- Noritz 9.8 GPM 199900 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Concentric ExhaustModel: NR98-DVC-NG$1,587.87
- Rinnai Sensei 7 GPM 130000 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Indoor InstallationModel: RU130IN$1,027.53
- Rinnai 6.6 GPM 160,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water HeaterModel: REP160iN$1,056.25
- Takagi 10 GPM 199,000 BTU 120 Volt Natural Gas/Liquid Propane Whole House Tankless Water HeaterModel: TK-510U-E$1,430.80
- Takagi 8 GPM Natural Gas Indoor Low NOx Tankless Water HeaterModel: TK-310U-I$1,162.16
- Eccotemp 6.8 GPM Residential Natural Gas Tankless Water Heater with 140000 Maximum BTU InputModel: 45HI-NG HB$869.00
- Rinnai 6.6 GPM 160,000 BTU 120 Volt Natural Gas Tankless Water Heater for Outdoor InstallationModel: RE160EN$969.75
- Rinnai 6.6 GPM 160,000 BTU 120 Volt Natural Gas Tankless Water Heater for Indoor InstallationModel: RE160IN$969.75
- Rinnai 8.5 GPM 180,000 BTU 120 Volt Residential Outdoor Natural Gas Tankless Water HeaterModel: RE180eN$1,105.30
- Rinnai 5.3 GPM 140,000 BTU 120 Volt Natural Gas Tankless Water Heater for Indoor InstallationModel: RE140IN$863.25
- Rinnai 7.9 GPM 199,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water HeaterModel: REP199iN$1,439.75
- Rinnai 6.6 GPM 160,000 BTU 120 Volt Residential Outdoor Natural Gas Tankless Water HeaterModel: REP160eN$1,056.25
- Rinnai 9.8 GPM 199,000 BTU 120 Volt Natural Gas Tankless Water Heater for Outdoor InstallationModel: RE199EN$1,389.75
- Noritz 8.3 GPM 180000 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Concentric ExhaustModel: NR83-DVC-NG$1,377.17
- Rinnai 7.9 GPM 199,000 BTU 120 Volt Residential Outdoor Natural Gas Tankless Water HeaterModel: REP199eN$1,439.75
- Rinnai 6.5 GPM Residential Indoor Natural Gas Tankless Water Heater with 150,000 BTU Max Input and Electronic Water Control from the Value SeriesModel: V65IN$757.48
- Rinnai 5.3 GPM 140,000 BTU 120 Volt Natural Gas Tankless Water Heater for Outdoor InstallationModel: RE140EN$863.25
- Takagi 10 GPM 199000 BTU 120 Volt Natural Gas/Liquid Propane Whole House Tankless Water HeaterModel: TK-510U-I$1,430.80
- AO Smith 6.6 GPM Residential/Commercial Condensing Natural Gas Outdoor Tankless Water Heater with 160000 Maximum BTU InputModel: ATO-240H-N$1,324.36
- Eccotemp 4.8 GPM Residential Natural Gas Tankless Water Heater with 74000 Maximum BTU InputModel: FVI12-NG VB$579.00
- Rinnai 7.5 GPM Residential Outdoor Natural Gas Tankless Water Heater with 180,000 BTU Max Input and Electronic Water Control from the Value SeriesModel: V75EN$924.74
- Rinnai Internal Whole House Natural Gas Tankless Water Heater 9.8 Gallons Per Minute with Isolation ValvesModel: RL94iNG$1,525.65
- Rinnai External Whole House Natural Gas Tankless Water Heater 7.5 Gallons Per Minute with Isolation ValvesModel: RL75eNG$1,254.69
- Noritz 9.8 GPM 199900 BTU 120 Volt Commercial Natural Gas Tankless Water Heater for Outdoor InstallationModel: GQ-2857WZ US NG$1,701.01
- Rinnai Internal Whole House Natural Gas Tankless Water Heater 7.5 Gallons Per Minute with Isolation ValvesModel: RL75iNG$1,254.69
