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Tankless Water Heaters

Tankless water heaters are known for their endless hot water. They turn on and heat the water as it passes through. They save space from a traditional tank type water heater and can be installed indoors and outdoors.
  • Sold out

    Rinnai - RUS75EP - Ultra Series Tankless Water Heater, White

    Rinnai
    $ 1,022.31 - $ 1,022.31
    $ 1,022.31
    $ 1,022.31 - $ 1,022.31
    $ 1,022.31

    Spec Sheet    Install Manual Super High Efficiency 7.5 GPM 160,000 BTU Propane Gas Exterior Tankless Water Heater Enjoy an endless supply of hot...

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    $ 1,022.31 - $ 1,022.31
    $ 1,022.31
    $ 1,022.31 - $ 1,022.31
    $ 1,022.31
    Sold out
  • Sold out

    Stiebel Eltron - TEMPRA20PLUS - 223422 240V, 1 Phase, 50/60 Hz, 20 kW Tempra 20 Whole House Tankless Electric Water Heater

    Stiebel Eltron
    $ 729.00 - $ 729.00
    $ 729.00
    $ 729.00 - $ 729.00
    $ 729.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. OverviewThe Tempra® series has been redesigned comple...

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    $ 729.00 - $ 729.00
    $ 729.00
    $ 729.00 - $ 729.00
    $ 729.00
    Sold out

  • Stiebel Eltron - SHC6MINITANK - 235089 SHC 6 Mini-Tank Electric Water Heater, 6 Gallon, 1300W, 120V, 15-1/8" W x 20-1/2" H x 15" D

    Stiebel Eltron
    $ 269.99 - $ 269.99
    $ 269.99
    $ 269.99 - $ 269.99
    $ 269.99

    Spec Sheet Install Manual SHC series mini-tank electric water heater is ideal for office buildings, stores, malls, warehouses, food trucks, resta...

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    $ 269.99 - $ 269.99
    $ 269.99
    $ 269.99 - $ 269.99
    $ 269.99

  • Rinnai - 103000078 - Natural Gas to LP Gas Conversion Kit for RU180i Tankless Water Heater

    Rinnai
    $ 45.00 - $ 45.00
    $ 45.00
    $ 45.00 - $ 45.00
    $ 45.00

    Quick-n Easy Gas Conversion Remove 3 screws, change the orifice, parameter, and apply the new data plate Model Compatibility Conversion NG LPG...

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    $ 45.00 - $ 45.00
    $ 45.00
    $ 45.00 - $ 45.00
    $ 45.00

  • Rinnai - HVENT-2 - DiversiTech Horizontal 2" Termination Vent

    Rinnai
    $ 34.97 - $ 34.97
    $ 34.97
    $ 34.97 - $ 34.97
    $ 34.97

    Horizontal 2" Termination Vent Horizontal vent kits for use in venting high efficiency fossil fuel appliances. The low profile kit hides the vent f...

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    $ 34.97 - $ 34.97
    $ 34.97
    $ 34.97 - $ 34.97
    $ 34.97

  • Rinnai - RU199eP - Sensei Outdoor Propane Condensing Tankless Water Heater

    Rinnai
    $ 1,384.11 - $ 1,384.11
    $ 1,384.11
    $ 1,384.11 - $ 1,384.11
    $ 1,384.11

    Spec Sheet   Install Manual With an enhanced combustion design, the Rinnai SENSEI Tankless Water Heater provides a better experience for both users...

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    $ 1,384.11 - $ 1,384.11
    $ 1,384.11
    $ 1,384.11 - $ 1,384.11
    $ 1,384.11
  • Eemax - EMT6 1.4kW Electric Mini Tank Water Heater - - Mechanical - Big Frog Supply
    Sold out

    Eemax - EMT6 - 1.4kW Electric Mini Tank Water Heater

    Eemax
    $ 253.00 - $ 253.00
    $ 253.00
    $ 253.00 - $ 253.00
    $ 253.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Features Point-of-use heating eliminates long hot wa...

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    $ 253.00 - $ 253.00
    $ 253.00
    $ 253.00 - $ 253.00
    $ 253.00
    Sold out
  • Sold out

    Eemax - SPEX75 - 7.5kW Electric Tankless Water Heater

    Eemax
    $ 204.25 - $ 204.25
    $ 204.25
    $ 204.25 - $ 204.25
    $ 204.25

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. FEATURES Lowest activation in industry with 0.2 GPM...

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    $ 204.25 - $ 204.25
    $ 204.25
    $ 204.25 - $ 204.25
    $ 204.25
    Sold out
  • EWS - Filter Cartridge Replacement for EWS-HEATER-GUARD-1.5 - - Mechanical - Big Frog Supply

    EWS - BB-Guard-Filter-1.5 - Filter Cartridge Replacement for EWS-HEATER-GUARD-1.5

    EWS
    $ 171.75 - $ 171.75
    $ 171.75
    $ 171.75 - $ 171.75
    $ 171.75

    ITEM #: BB-GUARD-FILTER-1.5 DESCRIPTION: 20” Pre-Sediment (5 Micron) for the Heater Guard 1.5” PURPOSE: Filters out rust, silt, and sediment and in...

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    $ 171.75 - $ 171.75
    $ 171.75
    $ 171.75 - $ 171.75
    $ 171.75

  • Stiebel Eltron - SHC2.5MINITANK - 233219 2.5 gallon, 1300W, 120V SHC 2.5 Mini-Tank Electric Water Heater

    Stiebel Eltron
    $ 189.00 - $ 189.00
    $ 189.00
    $ 189.00 - $ 189.00
    $ 189.00

    Spec Sheet Install Manual Stiebel Eltron 233219 Details If you're storing 30+ gallons of hot water in a traditional water heater when your appli...

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    $ 189.00 - $ 189.00
    $ 189.00
    $ 189.00 - $ 189.00
    $ 189.00

  • Rinnai - 229205NPP - Condensing 2/4 45 Degree Elbow (2 Pack) for Tankless Water Heaters 229205NPP

    Rinnai
    $ 50.75 - $ 50.75
    $ 50.75
    $ 50.75 - $ 50.75
    $ 50.75

    For use with Sensei Se+ tankless water heaters (condensing) and m-series boilers. Refer to the Rinnai Water Heater Installation and Operation man...

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    $ 50.75 - $ 50.75
    $ 50.75
    $ 50.75 - $ 50.75
    $ 50.75

  • Rinnai - CU199iP - Sensei Indoor Propane Commercial Condensing Tankless Water Heater

    Rinnai
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70

    Spec Sheet   Install Manual With an enhanced combustion design, the Rinnai SENSEI Tankless Water Heater provides a better experience for both users...

    View full details
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70

  • Rinnai - CU199eN - Sensei Outdoor Natural Gas Commercial Condensing Tankless Water Heater

    Rinnai
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70

    Replaces model C199en. Spec Sheet  Install Manual With an enhanced combustion design, the Rinnai SENSEI Tankless Water Heater provides a better ...

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    $ 1,582.70 - $ 1,582.70
    $ 1,582.70
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70

  • Rinnai - 105000250 - Sensei External Pump Harness

    Rinnai
    $ 15.00 - $ 15.00
    $ 15.00
    $ 15.00 - $ 15.00
    $ 15.00

    When installing an external recirculation pump on a SENSEI™ tankless water heater (non-RUR models), the external pump wire harness (part number 105...

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    $ 15.00 - $ 15.00
    $ 15.00
    $ 15.00 - $ 15.00
    $ 15.00
  • Sold out

    Eemax - SPEX55T - 240V 23 Amp LavAdvantage Sink Electric Water Heater

    Eemax
    $ 308.43 - $ 308.43
    $ 308.43
    $ 308.43 - $ 308.43
    $ 308.43

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. Applications • Lavatory sinks • Multi lav configura...

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    $ 308.43 - $ 308.43
    $ 308.43
    $ 308.43 - $ 308.43
    $ 308.43
    Sold out
  • Rinnai - Rinnai Connect Cable MSB-M - - Water Heater Controllers - Big Frog Supply

    Rinnai - MSB-M - Connect Cable

    Rinnai
    $ 102.00 - $ 102.00
    $ 102.00
    $ 102.00 - $ 102.00
    $ 102.00

    Rinnai Connect Cable MSB-M for Rinnai tankless water heaters. 13.1 ft with terminal connectors.

    $ 102.00 - $ 102.00
    $ 102.00
    $ 102.00 - $ 102.00
    $ 102.00
  • Rinnai - Rinnai Shingle Roof Flashing (8/12 to 16/12 pitch) 189952 - - Water Heater Venting - Big Frog Supply - 2
    Sold out

    Rinnai - 189952 - Shingle Roof Flashing (8/12 to 16/12 pitch)

    Rinnai
    $ 87.00 - $ 87.00
    $ 87.00
    $ 87.00 - $ 87.00
    $ 87.00

    Precisely engineered accessories can add even more reliability, convenience and flexibility to Rinnai Tankless Water Heaters. With Rinnai Common Ve...

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    $ 87.00 - $ 87.00
    $ 87.00
    $ 87.00 - $ 87.00
    $ 87.00
    Sold out

  • Rinnai - RUS75EN - Ultra Series Tankless Water Heater, White

    Rinnai
    $ 1,022.31 - $ 1,022.31
    $ 1,022.31
    $ 1,022.31 - $ 1,022.31
    $ 1,022.31

    Spec Sheet   Install Manual Super High Efficiency 7.5 GPM 160,000 BTU Natural Gas Exterior Tankless Water Heater Enjoy an endless supply of hot wa...

    View full details
    $ 1,022.31 - $ 1,022.31
    $ 1,022.31
    $ 1,022.31 - $ 1,022.31
    $ 1,022.31
  • Sold out

    Rinnai - RUS65EP - Ultra Series Tankless Water Heater, White

    Rinnai
    $ 885.50 - $ 885.50
    $ 885.50
    $ 885.50 - $ 885.50
    $ 885.50

    Spec Sheet   Install Manual Super High Efficiency 6.5 GPM 130,000 BTU Propane Gas Exterior Tankless Water Heater Enjoy an endless supply of hot ...

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    $ 885.50 - $ 885.50
    $ 885.50
    $ 885.50 - $ 885.50
    $ 885.50
    Sold out

  • Rheem - RTG20006DW - Main Control

    Rheem
    $ 74.06 - $ 74.06
    $ 74.06
    $ 74.06 - $ 74.06
    $ 74.06

    The Rheem RTG20006DW is a remote control (UMC-117). HVAC replacement part Rheem RTG20006DW. Get your system working properly once again with replac...

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    $ 74.06 - $ 74.06
    $ 74.06
    $ 74.06 - $ 74.06
    $ 74.06
  • Sold out

    Stiebel Eltron - SHC4MINITANK - 234046 SHC 4 Mini-Tank Electric Water Heater, 4 Gallon, 1300W, 120V, 12-5/8" W x 19-3/4 12-1/2" D

    Stiebel Eltron
    $ 239.00 - $ 239.00
    $ 239.00
    $ 239.00 - $ 239.00
    $ 239.00

    Spec Sheet Install Manual Stiebel Eltron 23406 Details If you're storing 30+ gallons of hot water in a traditional water heater when your applic...

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    $ 239.00 - $ 239.00
    $ 239.00
    $ 239.00 - $ 239.00
    $ 239.00
    Sold out

  • Rinnai - 187595NPP - 2in x 2/4 Condensing Twin Pipe Adaptor

    Rinnai
    $ 92.00 - $ 92.00
    $ 92.00
    $ 92.00 - $ 92.00
    $ 92.00

    Features: Twin pipe adapter 2 in. x 2/4 Dimensions: 5.67 in. x 9.92 in. x 14.4 in. Water heater accessory For use with SENSEI SE+ tankless water h...

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    $ 92.00 - $ 92.00
    $ 92.00
    $ 92.00 - $ 92.00
    $ 92.00
  • Sold out

    Eemax - SPEX55 - FlowCo Electric Tankless Water Heater

    Eemax
    $ 237.69 - $ 237.69
    $ 237.69
    $ 237.69 - $ 237.69
    $ 237.69

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home.     FlowCo™ Non-thermostatic heater ideal for handwa...

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    $ 237.69 - $ 237.69
    $ 237.69
    $ 237.69 - $ 237.69
    $ 237.69
    Sold out
  • Sold out

    Rinnai - RU130iN - Sensei Indoor Natural Gas Condensing Tankless Water Heater

    Rinnai
    $ 1,027.53 - $ 1,027.53
    $ 1,027.53
    $ 1,027.53 - $ 1,027.53
    $ 1,027.53

    Spec Sheet  Install Manual With an enhanced combustion design, the Rinnai SENSEI Tankless Water Heater provides a better experience for both user...

    View full details
    $ 1,027.53 - $ 1,027.53
    $ 1,027.53
    $ 1,027.53 - $ 1,027.53
    $ 1,027.53
    Sold out

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