Water Heaters
153 Products- Price (High to Low)
- Price (Low to High)
- Model Number
- Best Selling
- Highest Rated
- Narrow Your ResultsEXPAND ALL
- Shop Water Heaters
- Rinnai 6.5 GPM Residential Indoor Natural Gas Tankless Water Heater with 130,000 BTU Max Input from the Ultra SeriesModel: RUCS65IN$649.00
- 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$1,183.23
- Rinnai Sensei 8.0 GPM 160,000 BTU 120 Volt Natural Gas Tankless Water Heater for Indoor InstallationModel: RSC160IN$1,369.62
- Rinnai 7.5 GPM Residential Indoor Natural Gas Tankless Water Heater with 160,000 BTU Max Input from the Ultra SeriesModel: RUCS75iN$1,135.80
- Rinnai Outdoor Whole House Natural Gas Tankless Water Heater 5.3 Gallons Per MinuteModel: V53DeN$669.71
- Rinnai Sensei 8.0 GPM 160,000 BTU 120 Volt Liquid Propane Tankless Water Heater for Indoor InstallationModel: RSC160IP$1,369.62
- Noritz 9.8 GPM 199900 BTU 120 Volt Residential Liquid Propane Tankless Water Heater with Single Vent ExhaustModel: NR98-SV-LP$1,587.87
- 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$649.00
- AO Smith 10 GPM 199,000 BTU 120 Volt Residential / Commercial Indoor Natural Gas Tankless Water Heater with Ultra-Low NOxModel: ATI-540H-N$1,644.40
- Eemax MiniTank 2.5 Gallon Mini Point of Use Electric Water HeaterModel: EMT25$181.75
- Noritz Outdoor Tankless Natural Gas Water Heater - 5 GPM 120000 BTU 120VModel: NR501-OD-NG$694.07
- Noritz 9.8 GPM 199900 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Single Vent ExhaustModel: NR98-SV-NG$2,710.99
- 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 9.8 GPM 199900 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Outdoor InstallationModel: NR98-OD-NG$1,556.10
- Noritz 5.0 GPM 120000 BTU 120 Volt Outdoor Liquid Propane On Demand Tankless Water HeaterModel: NR50-OD-LP$708.24
- Rinnai 9.8 GPM 199,000 BTU 120 Volt Residential Indoor Liquid Propane Tankless Water HeaterModel: RE199iP$1,297.10
- Noritz 9.8 GPM 180000 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Direct Vent ExhaustModel: NRC98-DV-NG$1,549.88
- Eemax 8 GPM, 27 Kilowatt, 240 Volt Whole House Electric Tankless Water Heater from the HomeAdvantage II CollectionModel: HA027240$693.29
- Rinnai 9.8 GPM 199,000 BTU 120 Volt Residential Outdoor Liquid Propane Tankless Water HeaterModel: RE199eP$1,297.10
- Noritz 7.1 GPM 157000 BTU 120 Volt Residential Outdoor Tankless Water HeaterModel: NRC711-ODStarting at $1,423.74
- Noritz 7.1 GPM 157000 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Direct Vent ExhaustModel: NRC711-DV-NG$1,458.47
- Eemax 8 GPM, 24 Kilowatt, 240 Volt Whole House Electric Tankless Water Heater from the HomeAdvantage II CollectionModel: HA024240$624.35
- Eemax 7 GPM, 18 Kilowatt, 240 Volt Whole House Electric Tankless Water Heater from the HomeAdvantage II CollectionModel: HA018240$511.20
- Noritz 9.8 GPM 199900 BTU 120 Volt Residential Liquid Propane Tankless Water Heater for Outdoor InstallationModel: NR98-OD-LP$1,587.87
- Noritz 11.1 GPM 199900 BTU 120 Volt Residential Liquid Propane Tankless Water Heater with Direct Vent ExhaustModel: NRC111-DV-LP$1,779.85
- Noritz 9.8 GPM 180000 BTU 120 Volt Residential Liquid Propane Tankless Water Heater with Direct Vent ExhaustModel: NRC98-DV-LP$1,549.88
- Noritz 8.3 GPM 180000 BTU 120 Volt Residential Natural Gas Tankless Water Heater with Concentric ExhaustModel: NR83-DVC-NG$1,377.17
- Noritz 9.8 GPM 180000 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Outdoor InstallationModel: NRC98-OD-NG$1,703.16
- Noritz 9.8 GPM 180000 BTU 120 Volt Residential Liquid Propane Tankless Water Heater for Outdoor InstallationModel: NRC98-OD-LP$1,549.88
- Noritz 9.8 GPM 199900 BTU 120 Volt Residential Liquid Propane Tankless Water Heater with Concentric ExhaustModel: NR98-DVC-LP$1,587.87
- Noritz 8.3 GPM 180000 BTU 120 Volt Residential Liquid Propane Tankless Water Heater with Concentric ExhaustModel: NR83-DVC-LP$1,377.17
- Eccotemp 3 GPM BTU 3 Volt Liquid Propane Tankless Water Heater with Gas Hose, Regulator, and Shower HeadModel: L10$289.00
- Rinnai 9.8 GPM 199,000 BTU 120 Volt Natural Gas Tankless Water Heater for Indoor InstallationModel: RE199IN$1,297.10
- Rinnai 8.5 GPM 180,000 BTU 120 Volt Natural Gas Tankless Water Heater for Indoor InstallationModel: RE180IN$1,105.30
- Rinnai V53DeP V Model Series High Efficiency Tankless Water HeaterModel: V53DEP$669.71
- Eemax MiniTank 4.0 Gallon Mini Electric Point of Use Water HeaterModel: EMT4$210.30
- Eemax 8 GPM, 36 Kilowatt, 240 Volt Whole House Electric Tankless Water Heater from the HomeAdvantage II CollectionModel: HA036240$881.92
- Takagi 8 GPM 120 Volt Residential Outdoor Liquid Propane / Natural Gas Tankless Water Heater with Ultra-Low NOxModel: TK-310U-E$1,162.16
- Anzzi ENVO Arima 11 kW Tankless Electric Water HeaterModel: WH-AZ011-M2$249.99
- Eemax MiniTank 6 Gallon Mini Electric Point of Use Water HeaterModel: EMT6$259.45
- Rinnai 7.9 GPM 199,000 BTU 120 Volt Residential Outdoor Liquid Propane Tankless Water HeaterModel: REP199eP$1,439.75
- AO Smith 10 GPM 199,000 BTU 120 Volt Residential / Commercial Indoor Liquid Propane Tankless Water Heater with Integrated Controls and Ultra-Low NOxModel: ATI-540H-P$1,644.40
- Rheem Classic 18kw 4.4 GPM Tankless Electric On Demand Point of Use Water HeaterModel: RTEX-18$503.36
- Eemax MiniTank 1.5 Gallon Mini Point of Use Electric Water HeaterModel: EMT1$195.47
- Rheem Professional Classic 11kw Tankless Electric On Demand Point Of Use Water Heater - Up To 2.68 GPMModel: RTEX-11$322.84
- AO Smith 6.6 GPM 160,000 BTU 120 Volt Residential Outdoor Natural Gas Tankless Water Heater with Ultra-Low NOx and Wall Mount ControllerModel: ATO-240H-N$1,324.36
- Eemax AccuMix II 2.5 GPM, 240 Volt, 4.8 KW Electric Point of Use Tankless Water HeaterModel: AM005240T$646.98
- AO Smith 10 GPM 199,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater with Ultra-Low NOx and x3 Scale Prevention TechnologyModel: ATI-540HX3-N$1,558.00