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Natural Gas (NG) Tankless Water Heaters

  • Navien NPE180A Gas/Propane 97% efficient Tankless Water Heater
    Original price $1,701.70 - Original price $1,721.65
    Original price
    $1,701.70 - $1,721.65
    $1,701.70 - $1,721.65
    Current price $1,701.70

    Navien NPE-180A NG-LP Indoor-Outdoor Condensing Tankless Water Heater

    Navien America

    The new model  # is NPE180A2NG Current stock level: In stock as of Ship out time: Within 1 business day.Delivery time: 1 to 3 business days to mos...

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    Original price $1,701.70 - Original price $1,721.65
    Original price
    $1,701.70 - $1,721.65
    $1,701.70 - $1,721.65
    Current price $1,701.70
  • Wall plate for Navien HotButton, part number GXXX001427
    Original price $5.95 - Original price $10.90
    Original price
    $5.95 - $10.90
    $5.95 - $10.90
    Current price $5.95

    Wall plate for Navien HotButton, part number GXXX001427

    Navien America

    Wall plate (only) for push button for the on-demand Navien HotButton All items for sale on GadgetsGo.com are genuine and new, not used. The NAVIEN...

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    Original price $5.95 - Original price $10.90
    Original price
    $5.95 - $10.90
    $5.95 - $10.90
    Current price $5.95
  • Original price $1,638.00 - Original price $1,638.00
    Original price
    $1,638.00
    $1,638.00 - $1,638.00
    Current price $1,638.00

    State Industries GTS-540H Series Tankless Water Heater Ultra-Low NOx Condensing

    State Water Heaters

    Get an endless supply of hot water from a compact, wall-mounted tankless water heater that will afford you substantial savings in energy costs. Th...

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    Original price $1,638.00 - Original price $1,638.00
    Original price
    $1,638.00
    $1,638.00 - $1,638.00
    Current price $1,638.00
  • Rinnai V65iN Indoor Natural Gas Tankless Gas Water Heater
    Original price $1,191.00 - Original price $1,210.95
    Original price
    $1,191.00 - $1,210.95
    $1,191.00 - $1,210.95
    Current price $1,191.00

    Rinnai V65iN Indoor Natural Gas Tankless Gas Water Heater

    Rinnai

    Rinnai's V65iN tankless water heater delivers up to 6.6 GPM (gallons per minute) of hot water efficiently, making it perfect for houses that have ...

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    Original price $1,191.00 - Original price $1,210.95
    Original price
    $1,191.00 - $1,210.95
    $1,191.00 - $1,210.95
    Current price $1,191.00
  • Original price $1,349.55 - Original price $1,449.20
    Original price
    $1,349.55 - $1,449.20
    $1,349.55 - $1,449.20
    Current price $1,349.55

    Waiwela-Paloma PH2-28RDVSLN Indoor Natural Gas Tankless Water Heater

    Waiwela

    The PH2-28 is an excellent water heating solution for average 2-bath to 3-bath homes. The PH2-28RDVS can support up to 2 to 3 major hot water appli...

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    Original price $1,349.55 - Original price $1,449.20
    Original price
    $1,349.55 - $1,449.20
    $1,349.55 - $1,449.20
    Current price $1,349.55
  • Original price $1,578.00 - Original price $1,597.95
    Original price
    $1,578.00 - $1,597.95
    $1,578.00 - $1,597.95
    Current price $1,578.00

    Rinnai RL75iN Indoor Natural Gas Tankless Water Heater

    Rinnai

    Stop planning your evenings and mornings around your water heater. Now, you can set your own schedule, all thanks to the RL75iN. Ideal for 2 to 3...

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    Original price $1,578.00 - Original price $1,597.95
    Original price
    $1,578.00 - $1,597.95
    $1,578.00 - $1,597.95
    Current price $1,578.00
  • Original price $2,333.00 - Original price $2,352.95
    Original price
    $2,333.00 - $2,352.95
    $2,333.00 - $2,352.95
    Current price $2,333.00

    Rinnai RU199iN 199K BTU Indoor Natural Gas Tankless Water Heater

    Rinnai

    More hot water, faster with the Rinnai Sensei series The Rinnai Sensei series features an enhanced combustion design, to provide a better experie...

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    Original price $2,333.00 - Original price $2,352.95
    Original price
    $2,333.00 - $2,352.95
    $2,333.00 - $2,352.95
    Current price $2,333.00
  • Original price $1,349.00 - Original price $1,368.95
    Original price
    $1,349.00
    $1,349.00 - $1,368.95
    Current price $1,349.00

    Noritz NR98-SV 9.8 GPM Natural Gas Indoors Tankless Water Heater

    Noritz

    Model NR-98-SV (GQ-2857WX-F US) Residential Tankless Water HeaterNon-condensing, Natural Gas, Single Vent With plenty of power to heat multiple poi...

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    Original price $1,349.00 - Original price $1,368.95
    Original price
    $1,349.00
    $1,349.00 - $1,368.95
    Current price $1,349.00
  • Original price $1,454.00 - Original price $1,473.95
    Original price
    $1,454.00 - $1,473.95
    $1,454.00 - $1,473.95
    Current price $1,454.00

    Rinnai V75iN Indoor Natural Gas Tankless Water Heater

    Rinnai

    Rinnai's V75iN tankless water heater delivers up to 7.5 GPM (gallons per minute) of hot water efficiently, making it perfect for houses that have...

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    Original price $1,454.00 - Original price $1,473.95
    Original price
    $1,454.00 - $1,473.95
    $1,454.00 - $1,473.95
    Current price $1,454.00
  • Tankless Water Heater OnDemand Instant Heater
    Original price $1,483.00 - Original price $1,502.95
    Original price
    $1,483.00 - $1,502.95
    $1,483.00 - $1,502.95
    Current price $1,483.00

    Rheem RTGH-95 Gas Condensing Tankless Hot Water Heater

    Rheem

    Rheem Prestige High-Efficiency Condensing Tankless Water Heater - H95 Direct Vent Indoor Series for 3 Bathroom Homes Features • Ultra ...

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    Original price $1,483.00 - Original price $1,502.95
    Original price
    $1,483.00 - $1,502.95
    $1,483.00 - $1,502.95
    Current price $1,483.00
  • LP/NG tankless water heating system
    Sold out
    Original price $1,140.72 - Original price $1,160.67
    Original price
    $1,140.72 - $1,160.67
    $1,140.72 - $1,160.67
    Current price $1,140.72

    Noritz NR501 5.0 GPM Outdoor Natural Gas Tankless Water Heater

    Noritz

    Get an energy efficient, endless, hot water heater that puts your safety first. The NR501 outdoor model is the newest and most affordable Noritz he...

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    Original price $1,140.72 - Original price $1,160.67
    Original price
    $1,140.72 - $1,160.67
    $1,140.72 - $1,160.67
    Current price $1,140.72
    Sold out
  • Waiwela/Paloma PH2-25RDVSLN Indoor Natural Gas Tankless Water Heater
    Original price $919.95 - Original price $1,009.90
    Original price
    $919.95 - $1,009.90
    $919.95 - $1,009.90
    Current price $919.95

    Waiwela-Paloma PH2-25RDVSLN Indoor Natural Gas Tankless Water Heater

    Waiwela

    The PH2-25 is perfect for average homes with 1 or 2 bathrooms. The PH2-25RDVS can support up to 2 major hot water application, plus one minor appli...

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    Original price $919.95 - Original price $1,009.90
    Original price
    $919.95 - $1,009.90
    $919.95 - $1,009.90
    Current price $919.95
  • Waiwela/Paloma PHH-32RDVN Indoor Natural Gas Tankless Water Heater
    Original price $1,293.12 - Original price $1,393.07
    Original price
    $1,293.12 - $1,393.07
    $1,293.12 - $1,393.07
    Current price $1,293.12

    Waiwela-Paloma PHH-32RDVN Indoor Natural Gas Condensing Tankless Water Heater

    Waiwela

    Get a direct vent gas tankless water heater for homes with up to 3 bathrooms. The Paloma/Waiwela PHH-32RDV can support 3 to 4 major hot water funct...

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    Original price $1,293.12 - Original price $1,393.07
    Original price
    $1,293.12 - $1,393.07
    $1,293.12 - $1,393.07
    Current price $1,293.12
  • Outdoor ultra-low emissions State/AO Smith 180K BTU Instant/on-demand hot water system
    State/AO Smith 180K BTU Instant/on-demand hot water system
    Original price $1,088.00 - Original price $1,088.00
    Original price
    $1,088.00
    $1,088.00 - $1,088.00
    Current price $1,088.00

    State Industries 340H Series Ultra-Low NOx Condensing Tankless Water Heater

    State Water Heaters

    Get an endless supply of hot water from a compact, wall-mounted tankless water heater that will afford you substantial savings in energy costs. Th...

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    Original price $1,088.00 - Original price $1,088.00
    Original price
    $1,088.00
    $1,088.00 - $1,088.00
    Current price $1,088.00
  • Rinnai RU199i-P Sensei Series Indoor LP Gas Tankless Water Heater
    Original price $2,333.00 - Original price $2,352.95
    Original price
    $2,333.00
    $2,333.00 - $2,352.95
    Current price $2,333.00

    Rinnai RU199iP 199K BTU Indoor Propane LPG Tankless Water Heater

    Rinnai

    More hot water, faster with the Rinnai Sensei series The Rinnai Sensei series features an enhanced combustion design, to provide a better experie...

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    Original price $2,333.00 - Original price $2,352.95
    Original price
    $2,333.00
    $2,333.00 - $2,352.95
    Current price $2,333.00
  • Noritz NR662 6.6 GPM Outdoor Natural Gas Condensing Tankless Water Heater
    Original price $1,592.20 - Original price $1,612.15
    Original price
    $1,592.20 - $1,612.15
    $1,592.20 - $1,612.15
    Current price $1,592.20

    Noritz NR662 6.6 GPM Outdoor Natural Gas Tankless Water Heater

    Noritz

    Get an energy efficient, endless, hot water heater that puts your safety first The NR66 series is perfect for townhouses, apartments and condominiu...

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    Original price $1,592.20 - Original price $1,612.15
    Original price
    $1,592.20 - $1,612.15
    $1,592.20 - $1,612.15
    Current price $1,592.20
  • Noritz NC1991-OD 9.8 GPM Outdoor Natural Gas Condensing Tankless Water Heater
    Original price $2,277.51 - Original price $2,297.46
    Original price
    $2,277.51 - $2,297.46
    $2,277.51 - $2,297.46
    Current price $2,277.51

    Noritz NC1991-OD 9.8 GPM Outdoor Natural Gas Condensing Tankless Water Heater

    Noritz

    Get an energy efficient, endless, hot water heater that puts your safety first. With more power than any other tankless water heater in the same c...

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    Original price $2,277.51 - Original price $2,297.46
    Original price
    $2,277.51 - $2,297.46
    $2,277.51 - $2,297.46
    Current price $2,277.51
  • Noritz NC1991-DVC 9.8 GPM Indoor Natural Gas Condensing Tankless Water Heater
    Original price $1,342.42 - Original price $1,362.37
    Original price
    $1,342.42 - $1,362.37
    $1,342.42 - $1,362.37
    Current price $1,342.42

    Noritz NC1991-DVC 9.8 GPM Indoor Natural Gas Condensing Tankless Water Heater

    Noritz

    Get an energy efficient, endless, hot water heater that puts your safety first. With more power than any other tankless water heater in the same c...

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    Original price $1,342.42 - Original price $1,362.37
    Original price
    $1,342.42 - $1,362.37
    $1,342.42 - $1,362.37
    Current price $1,342.42
  • Rinnai RL94e
    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00

    Rinnai RL94eN Outdoor Natural Gas Tankless Water Heater

    Rinnai

    The RL94eN is Rinnai's value-priced, high-output, non-condensing residential water heater. It allows you to enjoy hot water continuously and sim...

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    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00
  • Rinnai V65eN Outdoor Tankless Liquid Propane Water Heater
    Original price $1,054.00 - Original price $1,073.95
    Original price
    $1,054.00 - $1,073.95
    $1,054.00 - $1,073.95
    Current price $1,054.00

    Rinnai V65eN Outdoor Natural Gas Tankless Water Heater

    Rinnai

    Rinnai's V65eN tankless water heater delivers up to 6.6 GPM (gallons per minute) of hot water efficiently, making it perfect for houses that have...

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    Original price $1,054.00 - Original price $1,073.95
    Original price
    $1,054.00 - $1,073.95
    $1,054.00 - $1,073.95
    Current price $1,054.00
  • Rinnai RU199eN Exterior 199K BTU Natural Gas Tankless Water Heater
    Original price $2,333.00 - Original price $2,352.95
    Original price
    $2,333.00 - $2,352.95
    $2,333.00 - $2,352.95
    Current price $2,333.00

    Rinnai RU199eN Sensei+ Outdoor Natural Gas Tankless Water Heater

    Rinnai

    More hot water, faster with the Rinnai Sensei series The Rinnai Sensei series features an enhanced combustion design, to provide a better experie...

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    Original price $2,333.00 - Original price $2,352.95
    Original price
    $2,333.00 - $2,352.95
    $2,333.00 - $2,352.95
    Current price $2,333.00
  • Noritz NC1991-DVC 9.8 GPM Indoor Natural Gas Condensing Tankless Water Heater
    Original price $1,342.42 - Original price $1,362.37
    Original price
    $1,342.42
    $1,342.42 - $1,362.37
    Current price $1,342.42

    Noritz NC199-DVC 9.8 GPM Indoor Natural Gas Tankless Water Heater

    Noritz

    Get hot water for the entire house with 4 hot water uses running simultaneously.Plus automatic scale detection. The NC199 by Noritz is the upgrade...

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    Original price $1,342.42 - Original price $1,362.37
    Original price
    $1,342.42
    $1,342.42 - $1,362.37
    Current price $1,342.42
  • LP/NG tankless water heating system
    Original price $1,863.23 - Original price $1,883.18
    Original price
    $1,863.23 - $1,883.18
    $1,863.23 - $1,883.18
    Current price $1,863.23

    Noritz NRC661 6.6 GPM Outdoor Natural Gas Condensing Tankless Water Heater

    Noritz

    Get energy-efficient, endless, hot water at a low installation cost. Noritz's Energy Star rated NRC661 is the newest efficient condensing heater wi...

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    Original price $1,863.23 - Original price $1,883.18
    Original price
    $1,863.23 - $1,883.18
    $1,863.23 - $1,883.18
    Current price $1,863.23
  • LP/NG tankless water heating system
    Original price $2,276.99 - Original price $2,296.94
    Original price
    $2,276.99 - $2,296.94
    $2,276.99 - $2,296.94
    Current price $2,276.99

    Noritz NCC1991-DV 11.1 GPM Indoor Natural Gas Condensing Tankless Water Heater

    Noritz

    Get an energy efficient, endless, hot water at a low installation cost. The NCC1991 is the most efficient Low NOx commercial condensing tankless he...

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    Original price $2,276.99 - Original price $2,296.94
    Original price
    $2,276.99 - $2,296.94
    $2,276.99 - $2,296.94
    Current price $2,276.99