Skip to content
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376

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.

  • Rinnai - CU199eP - Sensei Outdoor 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

    Replaces model C199ep. Spec Sheet  Install Manual With an enhanced combustion design, the Rinnai SENSEI Tankless Water Heater provides a better e...

    View full details
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70
    $ 1,582.70 - $ 1,582.70
    $ 1,582.70
  • Eemax - EX55T ML 5.5kW Electric Tankless Water Heater - - Mechanical - Big Frog Supply
    Sold out

    Eemax - EX55T - ML 5.5kW Electric Tankless Water Heater

    Eemax
    $ 281.99 - $ 281.99
    $ 281.99
    $ 281.99 - $ 281.99
    $ 281.99

    Choosing the right Tankless Electric Water Heater for your home. FEATURES On demand hot water - no delay Cut energy waste - Flow switch activat...

    View full details
    $ 281.99 - $ 281.99
    $ 281.99
    $ 281.99 - $ 281.99
    $ 281.99
    Sold out
  • Eemax - EX012240T 11.5kW Electric Tankless Water Heater - - Mechanical - Big Frog Supply
    Sold out

    Eemax - SPEX012240T - 11.5kW Electric Tankless Water Heater

    Eemax
    $ 359.58 - $ 359.58
    $ 359.58
    $ 359.58 - $ 359.58
    $ 359.58

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home.   FEATURES On demand hot water - no delay Cut ener...

    View full details
    $ 359.58 - $ 359.58
    $ 359.58
    $ 359.58 - $ 359.58
    $ 359.58
    Sold out

  • Rinnai - MCC-601-W - Commercial Temp Controller - White

    Rinnai
    $ 134.50 - $ 134.50
    $ 134.50
    $ 134.50 - $ 134.50
    $ 134.50

    The MCC-601-W is made from premium materials, this Item offers great function and value for your home. This fixture is part of Rinnai's decorativ...

    View full details
    $ 134.50 - $ 134.50
    $ 134.50
    $ 134.50 - $ 134.50
    $ 134.50

  • Rheem - RTG20211 - 3 in. x 5 in. Vertical Concentric Termination Vent Kit Stainless Steel for Mid Efficiency Tankless Gas Water Heaters

    Rheem
    $ 157.19 - $ 157.19
    $ 157.19
    $ 157.19 - $ 157.19
    $ 157.19

    3 in. x 5 in. Vertical concentric vent kit for use with the Rheem EcoSense mid efficiency indoor tankless gas units. Contains a storm collar, 6/1...

    View full details
    $ 157.19 - $ 157.19
    $ 157.19
    $ 157.19 - $ 157.19
    $ 157.19

  • Rheem - RTG20151D-1 - 36" Pipe length for RTG-64DVL, RTG-84DVL, RTG-95DVL Tankless Models

    Rheem
    $ 82.99 - $ 82.99
    $ 82.99
    $ 82.99 - $ 82.99
    $ 82.99

    36" Pipe length for Tankless Models: RTG-64DVL RTG-84DVL RTG-95DVL For 3 in. / 5 in. Concentric Tankless Venting

    $ 82.99 - $ 82.99
    $ 82.99
    $ 82.99 - $ 82.99
    $ 82.99
  • Sold out

    Rheem - RTG-70DVLN-1 - Mid Efficiency 70 Direct Vent Indoor Natural Gas EcoNet Enabled Tankless Water Heater

    Rheem
    $ 804.00 - $ 804.00
    $ 804.00
    $ 804.00 - $ 804.00
    $ 804.00

    Mid Efficiency 70 Direct Vent Indoor Natural Gas EcoNet Enabled Tankless Water Heater with 12 Year Limited Warranty   Rheem RTG is a series of ul...

    View full details
    $ 804.00 - $ 804.00
    $ 804.00
    $ 804.00 - $ 804.00
    $ 804.00
    Sold out

  • Rheem - RTG-95DVLN-1 - Mid Efficiency 9.5 GPM Indoor Natural Gas EcoNet Included Tankless Water Heater

    Rheem
    $ 1,543.00 - $ 1,543.00
    $ 1,543.00
    $ 1,543.00 - $ 1,543.00
    $ 1,543.00

    Mid Efficiency 9.5 GPM Indoor Natural Gas EcoNet Included Tankless Water Heater with 12 Year Limited Warranty Rheem RTG is a series of ultra low ...

    View full details
    $ 1,543.00 - $ 1,543.00
    $ 1,543.00
    $ 1,543.00 - $ 1,543.00
    $ 1,543.00

  • Stiebel Eltron - DHC-E12 - 230628 240V, 12 kW DHC-E12 Single/Multi-Point-of-Use Tankless Electric Water Heater

    Stiebel Eltron
    $ 299.00 - $ 299.00
    $ 299.00
    $ 299.00 - $ 299.00
    $ 299.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Stiebel Eltron 230628 Details Instantly provide hot wat...

    View full details
    $ 299.00 - $ 299.00
    $ 299.00
    $ 299.00 - $ 299.00
    $ 299.00

  • Rinnai - 229013NPP - 2/4 21 Inch Condensing Horizontal Termination Kit

    Rinnai
    $ 81.00 - $ 81.00
    $ 81.00
    $ 81.00 - $ 81.00
    $ 81.00

    2 in. / 4 in. condensing horizontal termination kit 21 in. For use with Sensei Se+ tankless water heaters (condensing) and m-series boilers White ...

    View full details
    $ 81.00 - $ 81.00
    $ 81.00
    $ 81.00 - $ 81.00
    $ 81.00

  • Rinnai - 229012NPP - 12 Inch 2/4 Condensing Horizontal Termination Kit

    Rinnai
    $ 72.99 - $ 72.99
    $ 72.99
    $ 72.99 - $ 72.99
    $ 72.99

    2/4 Cond Horiz Termination Kit 12in Brand Model Compatibility SE+ Tankless Water Heaters and M-Series Boilers Diameter 4 in Lengt...

    View full details
    $ 72.99 - $ 72.99
    $ 72.99
    $ 72.99 - $ 72.99
    $ 72.99

  • Rinnai - 103000079 - Natural Gas to LP Gas Conversion Kit for RU180e 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...

    View full details
    $ 45.00 - $ 45.00
    $ 45.00
    $ 45.00 - $ 45.00
    $ 45.00

  • Rinnai - 103000082 - Natural Gas to LP Gas Conversion Kit for RU130i 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...

    View full details
    $ 45.00 - $ 45.00
    $ 45.00
    $ 45.00 - $ 45.00
    $ 45.00

  • Rinnai - 103000081 - Natural Gas to LP Gas Conversion Kit for RU160e 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 Conv NG LPG Univ ...

    View full details
    $ 45.00 - $ 45.00
    $ 45.00
    $ 45.00 - $ 45.00
    $ 45.00
  • Rinnai - Rinnai Metal Pass Through Venting Plate 224097 - - Water Heater Venting - Big Frog Supply
    Sold out

    Rinnai - 224097 - Metal Pass Through Venting Plate

    Rinnai
    $ 32.50 - $ 32.50
    $ 32.50
    $ 32.50 - $ 32.50
    $ 32.50

    Rinnai has the best metal pass through plate for your venting needs. The Rinnai 224097 is suitable for use with plastic and metal components. Actua...

    View full details
    $ 32.50 - $ 32.50
    $ 32.50
    $ 32.50 - $ 32.50
    $ 32.50
    Sold out
  • Sold out

    Rinnai - RUS65EN - 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 Natural Gas Exterior Tankless Water Heater Enjoy an endless supply of ho...

    View full details
    $ 885.50 - $ 885.50
    $ 885.50
    $ 885.50 - $ 885.50
    $ 885.50
    Sold out

  • Noritz - RC-CORD10 - Remote Controller Cord 10 Ft

    Noritz
    $ 17.98 - $ 17.98
    $ 17.98
    $ 17.98 - $ 17.98
    $ 17.98

    The 10 ft. remote controller cord is perfect if you need to place the remote at a more convenient location in your home Fully insulated cord with ...

    View full details
    $ 17.98 - $ 17.98
    $ 17.98
    $ 17.98 - $ 17.98
    $ 17.98

  • Noritz - RC-7651M - Remote Controller for Tankless Heaters

    Noritz
    $ 136.27 - $ 136.27
    $ 136.27
    $ 136.27 - $ 136.27
    $ 136.27

    From the Manufacturer Remote Control for use with RC-CORD10/26 or 18 AWG bell wire. Noritz has been an innovator in the water heating industry for ...

    View full details
    $ 136.27 - $ 136.27
    $ 136.27
    $ 136.27 - $ 136.27
    $ 136.27
  • Sold out

    Rheem - RTEX-24 - 24kw Tankless Electric Water Heater

    Rheem
    $ 582.59 - $ 582.59
    $ 582.59
    $ 582.59 - $ 582.59
    $ 582.59

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless electric w...

    View full details
    $ 582.59 - $ 582.59
    $ 582.59
    $ 582.59 - $ 582.59
    $ 582.59
    Sold out
  • Sold out

    Rheem - RTEX-13 - 13kw Tankless Electric Water Heater

    Rheem
    $ 365.00 - $ 365.00
    $ 365.00
    $ 365.00 - $ 365.00
    $ 365.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless electric wat...

    View full details
    $ 365.00 - $ 365.00
    $ 365.00
    $ 365.00 - $ 365.00
    $ 365.00
    Sold out

  • Rheem - RTG20151W - 6" Pipe Length for RTG-64DVL, RTG-84DVL, RTG-95DVL Tankless Models

    Rheem
    $ 44.99 - $ 44.99
    $ 44.99
    $ 44.99 - $ 44.99
    $ 44.99

    6" Pipe Length for Tankless Models: RTG-64DVL RTG-84DVL RTG-95DVL For 3 in. / 5 in. Concentric Tankless Venting

    $ 44.99 - $ 44.99
    $ 44.99
    $ 44.99 - $ 44.99
    $ 44.99

  • Rheem - RTG20151R - 12" Pipe length for RTG-64DVL, RTG-84DVL, RTG-95DVL Tankless Models

    Rheem
    $ 44.99 - $ 44.99
    $ 44.99
    $ 44.99 - $ 44.99
    $ 44.99

    12" Pipe length for Tankless Models: RTG-64DVL RTG-84DVL RTG-95DVL For 3 in. / 5 in. Concentric Tankless Venting

    $ 44.99 - $ 44.99
    $ 44.99
    $ 44.99 - $ 44.99
    $ 44.99

  • Rheem - RTG20151C-1 - 24" Pipe length for RTG-64DVL, RTG-84DVL, RTG-95DVL Tankless Models

    Rheem
    $ 49.99 - $ 49.99
    $ 49.99
    $ 49.99 - $ 49.99
    $ 49.99

    24" Pipe length for Tankless Models: RTG-64DVL RTG-84DVL RTG-95DVL 23.66 in. overall length For 3 in. / 5 in. Concentric Tankless Venting

    $ 49.99 - $ 49.99
    $ 49.99
    $ 49.99 - $ 49.99
    $ 49.99

  • Rheem - RTG20151A-1 - 90 Degree elbow for RTG-64DVL, RTG-84DVL, RTG-95DVL Tankless Models

    Rheem
    $ 99.90 - $ 99.90
    $ 99.90
    $ 99.90 - $ 99.90
    $ 99.90

    3 Inch / 5 Inch Concentric Venting 90 Degree elbow for tankless models: RTG-64DVL RTG-84DVL RTG-95DVL

    $ 99.90 - $ 99.90
    $ 99.90
    $ 99.90 - $ 99.90
    $ 99.90

Blog posts

See more

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare