Gas Tankless Water Heaters

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  Noritz® NR501-OD-NG Mid Efficiency Tankless Water Heater, Natural Gas Fuel, 120000 Btu/hr Heating, Indoor/Outdoor: Outdoor, 0.5 to 5 gpm Flow Rate, 0.81, Residential

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  • HPS Quick Code: 692316
  • MPN: NR501-OD-NG
  • UPC: 817000012991
  • Manufacturer: Noritz America Corp
  • Brand: Noritz®

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  Noritz® NR662-OD-NG Mid Efficiency Tankless Water Heater, Natural Gas Fuel, 140000 Btu/hr Heating, Indoor/Outdoor: Outdoor, 0.5 to 6.6 gpm Flow Rate, 0.82, Residential

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  • HPS Quick Code: 692314
  • MPN: NR662-OD-NG
  • UPC: 817000013004
  • Manufacturer: Noritz America Corp
  • Brand: Noritz®

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  Noritz EZTR50-NEW 180 MBH Indoor or Outdoor Condensing 90W Natural Gas Tankless Water Heater

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  • HPS Quick Code: 134031
  • MPN: NOREZTR50-NEW
  • UPC: 850018743723
  • Manufacturer: Noritz America Corp
  • Brand: Noritz®

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  Rinnai RE199eN 199,000 BTU Non-Condensing Outdoor Natural Gas Tankless Water Heater

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  • HPS Quick Code: 32706
  • MPN: RINRE199EN
  • UPC: 766156016202
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  AO Smith® 100227710 ATO-310U Tankless Water Heater, Natural Gas Fuel, 190000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Non-Condensing, 8 gpm Flow Rate, Direct/Power Vent, 0.82, Commercial/Residential

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  • HPS Quick Code: 981023
  • MPN: 100227710
  • UPC: 671657237769
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith® 100227692 ATI-110U Tankless Water Heater, Natural Gas Fuel, 140000 Btu/hr Heating, Indoor/Outdoor: Indoor, Non-Condensing, 6.6 gpm Flow Rate, Direct/Power Vent, 3 or 4 in Vent, 0.81, Commercial/Residential

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  • HPS Quick Code: 980999
  • MPN: 100227692
  • UPC: 671657237424
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith® 100227698 ATO-110U Tankless Water Heater, Natural Gas Fuel, 140000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Non-Condensing, 6.6 gpm Flow Rate, Direct/Power Vent, 0.81, Commercial/Residential

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  • HPS Quick Code: 981018
  • MPN: 100227698
  • UPC: 671657237462
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith® 100227704 ATI-310U Tankless Water Heater, Natural Gas Fuel, 190000 Btu/hr Heating, Indoor/Outdoor: Indoor, Non-Condensing, 8 gpm Flow Rate, Direct/Power Vent, 3 or 4 in Vent, 0.82, Commercial/Residential

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  • HPS Quick Code: 981005
  • MPN: 100227704
  • UPC: 671657237509
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith® 100123378 ATI-540H Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Indoor, Condensing, 10 gpm Flow Rate, Direct/Power Vent, 3 in, 4 in Vent, 0.95, Commercial/Residential

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  • HPS Quick Code: 981015
  • MPN: 100123378
  • UPC: 671657140915
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  Noritz® NRC711-DV-NG High Efficiency Tankless Water Heater, Natural Gas Fuel, 157000 Btu/hr Heating, Indoor/Outdoor: Indoor, Condensing, 0.5 to 7.1 gpm Flow Rate, Direct Vent, 3 in Vent, 0.89, Residential

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  • HPS Quick Code: 692319
  • MPN: NRC711-DV-NG
  • UPC: 817000012953
  • Manufacturer: Noritz America Corp
  • Brand: Noritz®

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  AO Smith® 100227723 ATO-510U Tankless Water Heater, Natural Gas Fuel, 190000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Non-Condensing, 10 gpm Flow Rate, Direct/Power Vent, 0.81, Commercial/Residential

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  • HPS Quick Code: 969146
  • MPN: 100227723
  • UPC: 671657237844
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith® 100227716 ATI-510U Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Indoor, Non-Condensing, 10 gpm Flow Rate, Direct/Power Vent, 3 in, 4 in Vent, 0.82, Commercial/Residential

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  • HPS Quick Code: 981014
  • MPN: 100227716
  • UPC: 671657237806
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  Rinnai RE199IN 199,000 BTU Non-Condensing Indoor Natural Gas Tankless Water Heater

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  • HPS Quick Code: 32708
  • MPN: RINRE199IN
  • UPC: 766156016189
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Noritz® NRC711-OD-NG High Efficiency Tankless Water Heater, Natural Gas Fuel, 157000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Condensing, 0.5 to 7.1 gpm Flow Rate, 0.89, Residential

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  • HPS Quick Code: 692321
  • MPN: NRC711-OD-NG
  • UPC: 817000012977
  • Manufacturer: Noritz America Corp
  • Brand: Noritz®

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  AO Smith® 100123385 ATO-540H Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Condensing, 10 gpm Flow Rate, Direct/Power Vent, 3 in, 4 in Vent, 0.95, Commercial/Residential

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  • HPS Quick Code: 981027
  • MPN: 100123385
  • UPC: 671657140953
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  Bradford White RTGR199 Tankless Gas Water Heater

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  • HPS Quick Code: 72298
  • MPN: RTGR199N1
  • UPC: 671632568192
  • Manufacturer: Bradford White
  • Brand: Bradford White®

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  Rinnai REP199EN 199,000 BTU Non-Condensing Outdoor Natural Gas Tankless Water Heater

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  • HPS Quick Code: 45148
  • MPN: RINREP199EN
  • UPC: 766156016363
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai REP199IN 199,000 BTU Non-Condensing Indoor Natural Gas Tankless Water Heater

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  • HPS Quick Code: 35018
  • MPN: RINREP199IN
  • UPC: 766156016349
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai® SENSEI™ CU199iN SE+ Super High Efficiency Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr, Indoor, Condensing, 11 gpm, 0.97, Commercial

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  • HPS Quick Code: 941810
  • MPN: CU199iN
  • UPC: 766156009730
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai® SENSEI™ RU199eN SE+ Super High Efficiency Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr, Outdoor, Condensing, 11 gpm, 0.93, Residential

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  • HPS Quick Code: 941837
  • MPN: RU199eN
  • UPC: 766156009556
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai REP160IN 160,000 BTU Non-Condensing Indoor Natural Gas Tankless Water Heater

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  • HPS Quick Code: 36931
  • MPN: RINREP160IN
  • UPC: 766156016387
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai REP160EN 160,000 BTU Non-Condensing Outdoor Natural Gas Tankless Water Heater

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  • HPS Quick Code: 45149
  • MPN: RINREP160EN
  • UPC: 766156016400
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  AO Smith ATO-340HX3-N 180,000 BTU Natural Gas Condensing Ultra-Low NOx Outdoor Tankless Water Heater with X3 Technology

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  • HPS Quick Code: 29712
  • MPN: AOSATO-340HX3-N
  • UPC: 671657270209
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith ATI-540HX3-N 199,000 BTU Natural Gas Condensing Ultra-Low NOx Indoor Tankless Water Heater with X3 Technology

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  • HPS Quick Code: 29718
  • MPN: AOSATI-540HX3-N
  • UPC: 671657270148
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith® 100281161 Tankless Water Heater With Integrated Recirculation Pump, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Indoor, Condensing, 10 gpm Flow Rate, Direct/Power Vent, 3 or 4 in Vent, 0.93, Residential

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  • HPS Quick Code: 981016
  • MPN: 100281161
  • UPC: 671657021214
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith ATI-240H-N 160,000 BTU Natural Gas Condensing Ultra-Low NOx Indoor Tankless Water Heater

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  • HPS Quick Code: 981002
  • MPN: AOSATI-240H-N
  • UPC: 671657991678
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  Rinnai® SENSEI™ RUR199eN SE+ Super High Efficiency Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr, Outdoor, Condensing, 11 gpm, 0.93, Residential

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  • HPS Quick Code: 941833
  • MPN: RUR199eN
  • UPC: 766156009471
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai® SENSEI™ RU180eN SE+ Super High Efficiency Tankless Water Heater, Natural Gas Fuel, 180000 Btu/hr, Outdoor, Condensing, 10 gpm, 0.92, Residential

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  • HPS Quick Code: 941842
  • MPN: RU180eN
  • UPC: 766156009594
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  AO Smith® 100123492 ATI-140H Tankless Water Heater, Natural Gas Fuel, 120000 Btu/hr Heating, Indoor/Outdoor: Indoor, Condensing, 6.6 gpm Flow Rate, Direct/Power Vent, 3 in, 4 in Vent, 0.9, Commercial/Residential

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  • HPS Quick Code: 981001
  • MPN: 100123492
  • UPC: 671657177218
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith® 100281164 Tankless Water Heater With Integrated Recirculation Pump, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Condensing, 10 gpm Flow Rate, Direct/Power Vent, 3 or 4 in Vent, 0.95, Residential

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  • HPS Quick Code: 981028
  • MPN: 100281164
  • UPC: 671657021290
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  Rinnai® SENSEI™ RU180iN SE+ Super High Efficiency Tankless Water Heater, Natural Gas Fuel, 180000 Btu/hr, Indoor, Condensing, 10 gpm, 0.92, Residential

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  • HPS Quick Code: 941841
  • MPN: RU180iN
  • UPC: 766156009570
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai RE160EN 160,000 BTU Non-Condensing Outdoor Natural Gas Tankless Water Heater

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  • HPS Quick Code: 32714
  • MPN: RINRE160EN
  • UPC: 766156016288
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai® RL94iN HE+ Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Indoor, Non-Condensing, 9.8 gpm Flow Rate, Direct Vent, 0.82, Commercial/Residential

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  • HPS Quick Code: 941850
  • MPN: RL94iN
  • UPC: 766156006296
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Takagi 100123390 H3 Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Condensing, 10 gpm Flow Rate, 4 in Vent, 0.95, Commercial/Residential

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  • HPS Quick Code: 651477
  • MPN: 100123390
  • UPC: 671657140984
  • Manufacturer: A. O. Smith
  • Brand: Takagi

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  Rinnai® SENSEI™ RUR160iN SE+ Super High Efficiency Tankless Water Heater, Natural Gas Fuel, 160000 Btu/hr, Indoor, Condensing, 9 gpm, 0.92, Residential

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  • HPS Quick Code: 941834
  • MPN: RUR160iN
  • UPC: 766156009495
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  AO Smith ATO-240HX3-N 160,000 BTU Natural Gas Condensing Ultra-Low NOx Outdoor Tankless Water Heater Natural Gas

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  • HPS Quick Code: 29711
  • MPN: AOSATO-240HX3-N
  • UPC: 671657270247
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith TK-540X3-NIH Takagi 199,000 BTU Natural Gas Indoor Condensing Ultra-Low NOx with X3 Technology

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  • HPS Quick Code: 993475
  • MPN: AOSTK-540X3-NIH
  • UPC: 671657270346
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  AO Smith ATO-540HX3-N 199,000 BTU Natural Gas Condensing Ultra-Low NOx Outdoor Tankless Water Heater with X3 Technology

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  • HPS Quick Code: 29714
  • MPN: AOSATO-540HX3-N
  • UPC: 671657270162
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  Rinnai® SENSEI™ RU130iN SE+ Super High Efficiency Tankless Water Heater, Natural Gas Fuel, 130000 Btu/hr, Indoor, Condensing, 7 gpm, 0.91, Residential

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  • HPS Quick Code: 941844
  • MPN: RU130iN
  • UPC: 766156009655
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  Rinnai® SENSEI™ RU130eN SE+ Super High Efficiency Tankless Water Heater, Natural Gas Fuel, 130000 Btu/hr, Outdoor, Condensing, 7 gpm, 0.92, Residential

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  • HPS Quick Code: 941845
  • MPN: RU130eN
  • UPC: 766156009679
  • Manufacturer: Rinnai Corporation
  • Brand: Rinnai®

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  AO Smith ATI-240HX3-N 160,000 BTU Natural Gas Condensing Ultra-Low NOx Indoor Tankless Water Heater with X3 Technology

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  • HPS Quick Code: 29715
  • MPN: AOSATI-240HX3-N
  • UPC: 671657270223
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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  Takagi 100227703 200 Tankless Water Heater, Liquid Propane/Natural Gas Fuel, 140000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Non-Condensing, 6.6 gpm Flow Rate, 4 in Vent, 0.81, Commercial/Residential

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  • HPS Quick Code: 785904
  • MPN: 100227703
  • UPC: 671657237493
  • Manufacturer: A. O. Smith
  • Brand: Takagi

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  Takagi 100188207 H3M Tankless Water Heater, Liquid Propane Fuel, 120000 Btu/hr, Indoor, Condensing, 6.6 gpm, 4 in Direct Vent, 0.9, Residential

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  • HPS Quick Code: 737716
  • MPN: 100188207
  • UPC: 671657177386
  • Manufacturer: A. O. Smith
  • Brand: Takagi

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  Takagi 100227688 K4 Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Indoor, Non-Condensing, 10 gpm Flow Rate, Concentric Vent, 3 in, 5 in Vent, 0.81, Commercial/Residential

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  • HPS Quick Code: 767649
  • MPN: 100227688
  • UPC: 671657228590
  • Manufacturer: A. O. Smith
  • Brand: Takagi

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  Takagi 100123301 D2 Tankless Water Heater, Liquid Propane Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Indoor, Non-Condensing, 10 gpm Flow Rate, 4 in Vent, 0.82, Commercial

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  • HPS Quick Code: 563846
  • MPN: 100123301
  • UPC: 671657108304
  • Manufacturer: A. O. Smith
  • Brand: Takagi

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  Takagi 100123396 H3S Series Tankless Water Heater, Natural Gas Fuel, 180000 Btu/hr Heating, Indoor/Outdoor: Indoor, Condensing, 8 gpm Flow Rate, Direct/Power Vent, 4 in Vent, 0.95, Commercial/Residential

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  • HPS Quick Code: 650592
  • MPN: 100123396
  • UPC: 671657141158
  • Manufacturer: A. O. Smith
  • Brand: Takagi

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  Takagi 100123244 T-KJr2 Tankless Water Heater, Liquid Propane Fuel, 140000 Btu/hr Heating, Indoor/Outdoor: Indoor, Non-Condensing, 6.6 gpm Flow Rate, 4 in Vent, 0.82, Commercial/Residential

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  • HPS Quick Code: 543379
  • MPN: 100123244
  • UPC: 671657108229
  • Manufacturer: A. O. Smith
  • Brand: Takagi

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  AO Smith® 100123302 ATO-510 Tankless Water Heater, Natural Gas Fuel, 199000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Non-Condensing, 10 gpm Flow Rate, Direct/Power Vent, 4 in Vent, 0.82, Residential

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  • HPS Quick Code: 981025
  • MPN: 100123302
  • UPC: 671657102432
  • Manufacturer: A. O. Smith
  • Brand: AO Smith®

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