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Free Shipping on qualified orders over $599! Excluding HI, AK & Canada, and products marked Special Handling.

Gas Tankless Water Heaters

  • Rheem IKONIC 157K BTU Super High Efficiency Condensing Tankless Gas Water Heater

    Rheem
    Original price $1,368.85 - Original price $1,368.85
    Original price
    $1,368.85
    $1,368.85 - $1,368.85
    Current price $1,368.85
    In stock

    SKU RTGH-S84I

    Easy Installation PVC Vent runs up to 70' (2"), 150' (3") Easy set up with full-text digital display and no dip-switches Field gas convertible f...

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    Original price $1,368.85 - Original price $1,368.85
    Original price
    $1,368.85
    $1,368.85 - $1,368.85
    Current price $1,368.85
  • Rheem IKONIC 180K BTU Super High Efficiency Condensing Tankless Gas Water Heater

    Rheem
    Original price $1,516.39 - Original price $1,516.39
    Original price
    $1,516.39
    $1,516.39 - $1,516.39
    Current price $1,516.39
    In stock

    SKU RTGH-S10I

    Easy Installation PVC Vent runs up to 70' (2"), 150' (3") Easy set up with full-text digital display and no dip-switches Field gas convertible f...

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    Original price $1,516.39 - Original price $1,516.39
    Original price
    $1,516.39
    $1,516.39 - $1,516.39
    Current price $1,516.39
  • Rheem IKONIC 199K BTU Super High Efficiency Condensing Tankless Gas Water Heater

    Rheem
    Original price $1,663.93 - Original price $1,663.93
    Original price
    $1,663.93
    $1,663.93 - $1,663.93
    Current price $1,663.93
    In stock

    SKU RTGH-S11I

    Easy Installation PVC Vent runs up to 70' (2"), 150' (3") Easy set up with full-text digital display and no dip-switches Field gas convertible f...

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    Original price $1,663.93 - Original price $1,663.93
    Original price
    $1,663.93
    $1,663.93 - $1,663.93
    Current price $1,663.93
  • Rheem IKONIC 157K BTU Super High Efficiency Condensing Tankless Gas Water Heater w/ Recirc Pump

    Rheem
    Original price $1,627.46 - Original price $1,627.46
    Original price
    $1,627.46
    $1,627.46 - $1,627.46
    Current price $1,627.46
    In stock

    SKU RTGH-SR84I

    Easy Installation PVC Vent runs up to 70' (2"), 150' (3") Easy set up with full-text digital display and no dip-switches Field gas convertible f...

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    Original price $1,627.46 - Original price $1,627.46
    Original price
    $1,627.46
    $1,627.46 - $1,627.46
    Current price $1,627.46
  • Rheem IKONIC 180K BTU Super High Efficiency Condensing Tankless Gas Water Heater w/ Recirc Pump

    Rheem
    Original price $1,827.87 - Original price $1,827.87
    Original price
    $1,827.87
    $1,827.87 - $1,827.87
    Current price $1,827.87
    In stock

    SKU RTGH-SR10I

    Easy Installation PVC Vent runs up to 70' (2"), 150' (3") Easy set up with full-text digital display and no dip-switches Field gas convertible f...

    View full details
    Original price $1,827.87 - Original price $1,827.87
    Original price
    $1,827.87
    $1,827.87 - $1,827.87
    Current price $1,827.87
  • Rheem IKONIC 199K BTU Super High Efficiency Condensing Tankless Gas Water Heater w/ Recirc Pump

    Rheem
    Original price $2,032.79 - Original price $2,032.79
    Original price
    $2,032.79
    $2,032.79 - $2,032.79
    Current price $2,032.79
    In stock

    SKU RTGH-SR11I

    Easy Installation PVC Vent runs up to 70' (2"), 150' (3") Easy set up with full-text digital display and no dip-switches Field gas convertible fr...

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    Original price $2,032.79 - Original price $2,032.79
    Original price
    $2,032.79
    $2,032.79 - $2,032.79
    Current price $2,032.79
  • Rheem RTGH Series High-Efficiency indoor (199K BTU) Natural

    Rheem
    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
    In stock

    SKU RTGH-95DVLN-2

    Product Info Rheem Prestige High-Efficiency Indoor Rheem Prestige® Condensing Gas Tankless Water Heater.  The Rheem RTGH-95DVL Prestige® se...

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    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
  • Rheem RTGH Series High-Efficiency indoor (199K BTU) Propane

    Rheem
    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
    Out of stock

    SKU RTGH-95DVLP-2

    Product Info Rheem Prestige High-Efficiency Indoor Rheem Prestige® Condensing Gas Tankless Water Heater.  The Rheem RTGH-95DVL Prestige® se...

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    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
    Sold out
  • Rheem Commercial High-Efficiency 199K BTU Propane Gas

    Rheem
    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
    In stock

    SKU RTGH-C95DVLP

    Efficiency Up to 96% Thermal Efficiency with stainless steel condensing heat exchanger Intelligent electronic controls designed to increase energy...

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    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
  • Rheem RTGH Series High-Efficiency indoor (120K BTU) Natural

    Rheem
    Original price $1,151.40 - Original price $1,151.40
    Original price
    $1,151.40
    $1,151.40 - $1,151.40
    Current price $1,151.40
    Low stock

    SKU RTGH-68DVLN-2

    Product Info Rheem Prestige High-Efficiency Indoor Rheem Prestige® Condensing Gas Tankless Water Heater.  The Rheem RTGH-68DVL Prestige® se...

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    Original price $1,151.40 - Original price $1,151.40
    Original price
    $1,151.40
    $1,151.40 - $1,151.40
    Current price $1,151.40
  • Rheem RTGH Series High-Efficiency indoor (120K BTU) Propane

    Rheem
    Original price $1,151.40 - Original price $1,151.40
    Original price
    $1,151.40
    $1,151.40 - $1,151.40
    Current price $1,151.40
    Low stock

    SKU RTGH-68DVLP-2

    Product Info Rheem Prestige High-Efficiency Indoor Rheem Prestige® Condensing Gas Tankless Water Heater.  The Rheem RTGH-68DVL Prestige® se...

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    Original price $1,151.40 - Original price $1,151.40
    Original price
    $1,151.40
    $1,151.40 - $1,151.40
    Current price $1,151.40
  • Rheem RTGH Series High-Efficiency outdoor (199K BTU) Natural

    Rheem
    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
    Low stock

    SKU RTGH-95XLN-2

    Product Info Rheem Prestige High-Efficiency Outdoor Rheem Prestige® Condensing Gas Tankless Water Heater. The Rheem RTGH-95XL Prestige® ser...

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    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
  • Rheem RTGH Series High-Efficiency outdoor (199K BTU) Propane

    Rheem
    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
    Out of stock

    SKU RTGH-95XLP-2

    Product Info Rheem Prestige High-Efficiency Outdoor Rheem Prestige® Condensing Gas Tankless Water Heater. The Rheem RTGH-95XL Prestige® ser...

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    Original price $1,515.94 - Original price $1,515.94
    Original price
    $1,515.94
    $1,515.94 - $1,515.94
    Current price $1,515.94
    Sold out
  • Rheem RTG Series Mid-Efficiency indoor (199K BTU) Propane

    Rheem
    Original price $1,265.60 - Original price $1,265.60
    Original price
    $1,265.60
    $1,265.60 - $1,265.60
    Current price $1,265.60
    In stock

    SKU RTG-95DVLP-1

    Rheem RTG Series Mid-Efficiency Indoor 199k BTU The RTG-95DVL will support up to 2-3 major hot water functions in a warm climate, up to 2 ...

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    Original price $1,265.60 - Original price $1,265.60
    Original price
    $1,265.60
    $1,265.60 - $1,265.60
    Current price $1,265.60
  • Rheem RTG Series Mid-Efficiency indoor (199K BTU) Natural

    Rheem
    Original price $1,265.60 - Original price $1,265.60
    Original price
    $1,265.60
    $1,265.60 - $1,265.60
    Current price $1,265.60
    In stock

    SKU RTG-95DVLN-1

    Rheem RTG Series Mid-Efficiency Indoor 199k BTU The RTG-95DVL will support up to 2-3 major hot water functions in a warm climate, up to 2 ...

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    Original price $1,265.60 - Original price $1,265.60
    Original price
    $1,265.60
    $1,265.60 - $1,265.60
    Current price $1,265.60
  • Rheem RTG Series Mid-Efficiency outdoor (199K BTU) Natural

    Rheem
    Original price $1,265.60 - Original price $1,265.60
    Original price
    $1,265.60
    $1,265.60 - $1,265.60
    Current price $1,265.60
    Out of stock

    SKU RTG-95XLN-1

    Product Info Rheem RTG Series Mid-Efficiency Outdoor 199k BTU The RTG-95XL will support up to 2-3 major hot water functions in a warm clima...

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    Original price $1,265.60 - Original price $1,265.60
    Original price
    $1,265.60
    $1,265.60 - $1,265.60
    Current price $1,265.60
    Sold out
  • Rheem RTG Series Mid-Efficiency outdoor (199K BTU) Propane

    Rheem
    Original price $1,265.60 - Original price $1,265.60
    Original price
    $1,265.60
    $1,265.60 - $1,265.60
    Current price $1,265.60
    Out of stock

    SKU RTG-95XLP-1

    Product Info Rheem RTG Series Mid-Efficiency Outdoor 199k BTU The RTG-95XL will support up to 2-3 major hot water functions in a warm clima...

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    Original price $1,265.60 - Original price $1,265.60
    Original price
    $1,265.60
    $1,265.60 - $1,265.60
    Current price $1,265.60
    Sold out
  • Rheem RTG Series Mid-Efficiency indoor (180K BTU) Natural

    Rheem
    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
    In stock

    SKU RTG-84DVLN-1

    Product Info Rheem RTG Series Mid-Efficiency indoor 180k BTU The RTG-84DVL will support up to 2 major functions, plus one minor use (such a...

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    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
  • Rheem RTG Series Mid-Efficiency indoor (180K BTU) Propane

    Rheem
    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
    Low stock

    SKU RTG-84DVLP-1

    Rheem RTG Series Mid-Efficiency indoor 180k BTU The RTG-84DVL will support up to 2 major functions, plus one minor use (such as a sink) in a ...

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    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
  • Rheem RTG Series Mid-Efficiency indoor (160K BTU) Natural

    Rheem
    Original price $840.38 - Original price $840.38
    Original price
    $840.38
    $840.38 - $840.38
    Current price $840.38
    In stock

    SKU RTG-70DVLN-1

    Product Info: Rheem RTG Series Mid-Efficiency Indoor 160k BTU The RTG-70DVL is an excellent hot-water solution for the average 1 bath home....

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    Original price $840.38 - Original price $840.38
    Original price
    $840.38
    $840.38 - $840.38
    Current price $840.38
  • Rheem RTG Series Mid-Efficiency indoor (160K BTU) Propane

    Rheem
    Original price $840.38 - Original price $840.38
    Original price
    $840.38
    $840.38 - $840.38
    Current price $840.38
    In stock

    SKU RTG-70DVLP-1

    Product Info: Rheem RTG Series Mid-Efficiency Indoor 160k BTU The RTG-70DVL is an excellent hot-water solution for the average 1 bath home....

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    Original price $840.38 - Original price $840.38
    Original price
    $840.38
    $840.38 - $840.38
    Current price $840.38
  • Rheem RTG-3 Series Mid-Efficiency Outdoor 180K BTU Propane Gas

    Rheem
    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
    In stock

    SKU RTG-84XLP-3

    Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in even more places than before • Enhanced...

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    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
  • Rheem RTG Series Mid-Efficiency outdoor (180K BTU) Propane

    Rheem
    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
    Out of stock

    SKU RTG-84XLP-1

    Product Info Rheem RTG Series Mid-Efficiency Outdoor 180k BTU The RTG-84XL will support up to 2-3 major hot water functions in a warm clima...

    View full details
    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
    Sold out
  • Rheem RTG Series Mid-Efficiency outdoor (180K BTU) Natural

    Rheem
    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
    Low stock

    SKU RTG-84XLN-1

    Product Info Rheem RTG Series Mid-Efficiency Outdoor 180k BTU The RTG-84XL will support up to 2-3 major hot water functions in a warm clima...

    View full details
    Original price $957.15 - Original price $957.15
    Original price
    $957.15
    $957.15 - $957.15
    Current price $957.15
  • Rheem RTG Series Mid-Efficiency outdoor (160K BTU) Propane

    Rheem
    Original price $840.38 - Original price $840.38
    Original price
    $840.38
    $840.38 - $840.38
    Current price $840.38
    Low stock

    SKU RTG-70XLP-1

    Product Info Rheem RTG Series Mid-Efficiency Outdoor 160k BTU The RTG-70XL will support up to 2 major hot water functions in a warm climate...

    View full details
    Original price $840.38 - Original price $840.38
    Original price
    $840.38
    $840.38 - $840.38
    Current price $840.38
  • Rheem RTG Series Mid-Efficiency outdoor (160K BTU) Natural

    Rheem
    Original price $840.38 - Original price $840.38
    Original price
    $840.38
    $840.38 - $840.38
    Current price $840.38
    Low stock

    SKU RTG-70XLN-1

    Rheem RTG Series Mid-Efficiency Outdoor 160k BTU The RTG-70XL will support up to 2 major hot water functions in a warm climate, but is not rec...

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    Original price $840.38 - Original price $840.38
    Original price
    $840.38
    $840.38 - $840.38
    Current price $840.38