Skip to content

Gas Tankless Water Heaters

Filters

$
$
  • Eccotemp L10 Portable Outdoor Tankless Water Heater W/ EccoFlo 12V Pump & Strainer - 2.65 GPM

    ECCOTEMP SYSTEMS
    Original price $683.74 - Original price $683.74
    Original price
    $683.74
    $683.74 - $683.74
    Current price $683.74
    In stock

    huge pressure and huge output - that's the name of the game when you combine the eccotemp l10 with the small but powerful flojet 2.9 gpm 50 psi. ...

    View full details
    Original price $683.74 - Original price $683.74
    Original price
    $683.74
    $683.74 - $683.74
    Current price $683.74
  • Natural Gas Tankless Water Heater

    MRCOOL
    Original price $2,183.74 - Original price $2,183.74
    Original price
    $2,183.74
    $2,183.74 - $2,183.74
    Current price $2,183.74
    In stock

    Gas Connection (In.) NPT3/4in (inlet) Vent Type 2 in. or 3 in. or concentric For Use With ...

    View full details
    Original price $2,183.74 - Original price $2,183.74
    Original price
    $2,183.74
    $2,183.74 - $2,183.74
    Current price $2,183.74
  • Liquid Propane Tankless Water Heater

    MRCOOL
    Original price $2,187.49 - Original price $2,187.49
    Original price
    $2,187.49
    $2,187.49 - $2,187.49
    Current price $2,187.49
    In stock

    Gas Connection (In.) NPT3/4in (inlet) For Use With Heating water Vent Type 2 in. or 3...

    View full details
    Original price $2,187.49 - Original price $2,187.49
    Original price
    $2,187.49
    $2,187.49 - $2,187.49
    Current price $2,187.49
  • Cu199Ip With 119G Tank Hybrid System

    RINNAI
    Original price $11,933.74 - Original price $11,933.74
    Original price
    $11,933.74
    $11,933.74 - $11,933.74
    Current price $11,933.74
    In stock

    With Rinnai’s new Demand Duo H-Series, reliable hot water comes in a high-performance, high-efficiency package that also reduces cost of ownershi...

    View full details
    Original price $11,933.74 - Original price $11,933.74
    Original price
    $11,933.74
    $11,933.74 - $11,933.74
    Current price $11,933.74
  • 9 GPM Commercial 160K BTU Natural Gas Exterior Tankless Water Heater

    RINNAI
    Original price $2,023.12 - Original price $2,023.12
    Original price
    $2,023.12
    $2,023.12 - $2,023.12
    Current price $2,023.12
    In stock

    Standards AHRI, CSA, CEC, Energy Star, Mobile Home Certified BtuH 160,000 Voltage AC ...

    View full details
    Original price $2,023.12 - Original price $2,023.12
    Original price
    $2,023.12
    $2,023.12 - $2,023.12
    Current price $2,023.12
  • Super HE+ 10 GPM 180K BTU Natural Gas Exterior Tankless Water Heater

    RINNAI
    Original price $2,127.62 - Original price $2,127.62
    Original price
    $2,127.62
    $2,127.62 - $2,127.62
    Current price $2,127.62
    In stock

    Temp. Range 98-185 deg. F Voltage AC 120 Volts, 60 Hz BtuH 180,000 Resid...

    View full details
    Original price $2,127.62 - Original price $2,127.62
    Original price
    $2,127.62
    $2,127.62 - $2,127.62
    Current price $2,127.62
  • Reliance 0 gal 180000 BTU Natural Gas Tankless Water Heater

    B & K
    Original price $2,027.49 - Original price $2,027.49
    Original price
    $2,027.49
    $2,027.49 - $2,027.49
    Current price $2,027.49
    In stock

    97% UED recovery efficiency .95 Uniform Energy Factor (UEF) condensing indoor model meets California Ultra Low NOx emission rules " requires 3/4"...

    View full details
    Original price $2,027.49 - Original price $2,027.49
    Original price
    $2,027.49
    $2,027.49 - $2,027.49
    Current price $2,027.49
  • 14 " x 4.75 " x 27.9 " 80, 000, Natural Gas

    ECCOTEMP
    Original price $811.25 - Original price $811.25
    Original price
    $811.25
    $811.25 - $811.25
    Current price $811.25
    In stock

    Item - Water Heaters Tankless Water heater Fuel Type - Water Heaters Natural Gas BtuH - Water ...

    View full details
    Original price $811.25 - Original price $811.25
    Original price
    $811.25
    $811.25 - $811.25
    Current price $811.25
  • Super HE 6.5 GPM 130K BTU Propane Gas Exterior Tankless Water Heater

    RINNAI
    Original price $1,421.24 - Original price $1,421.24
    Original price
    $1,421.24
    $1,421.24 - $1,421.24
    Current price $1,421.24
    In stock

    Gas Type Propane Vent Type Outdoor Temp. Range 98-140 deg. F Residential...

    View full details
    Original price $1,421.24 - Original price $1,421.24
    Original price
    $1,421.24
    $1,421.24 - $1,421.24
    Current price $1,421.24
  • Gas Tankless Water Heaters

    RHEEM
    Original price $2,268.74 - Original price $2,268.74
    Original price
    $2,268.74
    $2,268.74 - $2,268.74
    Current price $2,268.74
    In stock

    Water Connection Location Front Default Temperature 120 Degrees F Maximum Flow Rate ...

    View full details
    Original price $2,268.74 - Original price $2,268.74
    Original price
    $2,268.74
    $2,268.74 - $2,268.74
    Current price $2,268.74
  • 9.5 gal 199900 BTU Propane Tankless Water Heater

    ECOSMART
    Original price $1,984.99 - Original price $1,984.99
    Original price
    $1,984.99
    $1,984.99 - $1,984.99
    Current price $1,984.99
    In stock

    Tankless water heater is designed to supply continuous hot water for up to 4 bathrooms at the same time. It heats water only when it's needed and...

    View full details
    Original price $1,984.99 - Original price $1,984.99
    Original price
    $1,984.99
    $1,984.99 - $1,984.99
    Current price $1,984.99
  • 14 " x 4.75 " x 23.9 " 80, 000, Liquid Propane

    ECCOTEMP
    Original price $811.25 - Original price $811.25
    Original price
    $811.25
    $811.25 - $811.25
    Current price $811.25
    In stock

    Item - Water Heaters Tankless Water heater Fuel Type - Water Heaters Liquid Propane BtuH - Wat...

    View full details
    Original price $811.25 - Original price $811.25
    Original price
    $811.25
    $811.25 - $811.25
    Current price $811.25
  • Cyclone XI Commercial Tank Type Water Heater Nat Gas 130 Gal. 399900 BTU

    A.O. SMITH
    Original price $42,798.74 - Original price $42,798.74
    Original price
    $42,798.74
    $42,798.74 - $42,798.74
    Current price $42,798.74
    In stock

    Original price $42,798.74 - Original price $42,798.74
    Original price
    $42,798.74
    $42,798.74 - $42,798.74
    Current price $42,798.74
  • 9 GPM Commercial 160K BTU Propane Gas Interior Tankless Water Heater

    RINNAI
    Original price $2,023.12 - Original price $2,023.12
    Original price
    $2,023.12
    $2,023.12 - $2,023.12
    Current price $2,023.12
    In stock

    For Use With 223176PP|RWM101|REU-EZC-2| Voltage AC 120 Volts, 60 Hz Vent Type Concent...

    View full details
    Original price $2,023.12 - Original price $2,023.12
    Original price
    $2,023.12
    $2,023.12 - $2,023.12
    Current price $2,023.12
  • Super HE 6.5 GPM 130K BTU Natural Gas Exterior Tankless Water Heater

    RINNAI
    Original price $1,456.24 - Original price $1,456.24
    Original price
    $1,456.24
    $1,456.24 - $1,456.24
    Current price $1,456.24
    In stock

    BtuH 130,000 Gas Connection 3/4" MNPT Temp. Range 98-140 deg. F Voltage ...

    View full details
    Original price $1,456.24 - Original price $1,456.24
    Original price
    $1,456.24
    $1,456.24 - $1,456.24
    Current price $1,456.24
  • Super HE 7.5 GPM 160K BTU Propane Gas Interior Tankless Water Heater

    RINNAI
    Original price $1,637.49 - Original price $1,637.49
    Original price
    $1,637.49
    $1,637.49 - $1,637.49
    Current price $1,637.49
    In stock

    Residential / Commercial Residential Only Vent Type Concentric, Twin Pipe BtuH 160,00...

    View full details
    Original price $1,637.49 - Original price $1,637.49
    Original price
    $1,637.49
    $1,637.49 - $1,637.49
    Current price $1,637.49
  • Eccotemp FVI12-NG Natural Gas Indoor Forced Vent Tankless Water Heater

    ECCOTEMP SYSTEMS
    Original price $672.49 - Original price $672.49
    Original price
    $672.49
    $672.49 - $672.49
    Current price $672.49
    In stock

    ECCOTEMP FVI12-NG NATURAL GAS INDOOR FORCED VENT TANKLESS WATER HEATER THE ECCOTEMP FVI12-NG TANKLESS WATER HEATER IS A NATURAL GAS FIRED, FORCED...

    View full details
    Original price $672.49 - Original price $672.49
    Original price
    $672.49
    $672.49 - $672.49
    Current price $672.49
  • Eccotemp L10 Portable Outdoor Tankless Water Heater

    ECCOTEMP SYSTEMS
    Original price $623.74 - Original price $623.74
    Original price
    $623.74
    $623.74 - $623.74
    Current price $623.74
    In stock

    ECCOTEMP L10 HIGH CAPACITY TANKLESS WATER HEATER THE ECCOTEMP L10 TANKLESS WATER HEATER IS ONE OF THE HOTTEST TANKLESS WATER HEATERS ON THE MARKE...

    View full details
    Original price $623.74 - Original price $623.74
    Original price
    $623.74
    $623.74 - $623.74
    Current price $623.74
  • 9.5 gal 199900 BTU Natural Gas Tankless Water Heater

    ECOSMART
    Original price $1,809.99 - Original price $1,809.99
    Original price
    $1,809.99
    $1,809.99 - $1,809.99
    Current price $1,809.99
    In stock

    Tankless water heater is designed to supply continuous hot water for up to 4 bathrooms at the same time. It heats water only when it's needed and...

    View full details
    Original price $1,809.99 - Original price $1,809.99
    Original price
    $1,809.99
    $1,809.99 - $1,809.99
    Current price $1,809.99
  • 11 GPM Interior Commercial 199, 000 BTU Natural Gas Tankless Water Heater

    RINNAI
    Original price $3,551.24 - Original price $3,551.24
    Original price
    $3,551.24
    $3,551.24 - $3,551.24
    Current price $3,551.24
    In stock

    With an enhanced combustion design, the Rinnai SENSEI Tankless Water Heater provides a better experience for both users and installers. Like all ...

    View full details
    Original price $3,551.24 - Original price $3,551.24
    Original price
    $3,551.24
    $3,551.24 - $3,551.24
    Current price $3,551.24
  • Sensei RSC 199K BTU 11 GPM Residential Interior Gas Tankless Water Heater

    RINNAI
    Original price $5,031.24 - Original price $5,031.24
    Original price
    $5,031.24
    $5,031.24 - $5,031.24
    Current price $5,031.24
    In stock

    SENSEI RSC199iN Super High Efficiency Plus condensing tankless water heater from Rinnai. The size of a small suitcase this model is compact and e...

    View full details
    Original price $5,031.24 - Original price $5,031.24
    Original price
    $5,031.24
    $5,031.24 - $5,031.24
    Current price $5,031.24
  • Super HE 6.5 GPM 130K BTU Natural Gas Interior Tankless Water Heater

    RINNAI
    Original price $1,404.99 - Original price $1,404.99
    Original price
    $1,404.99
    $1,404.99 - $1,404.99
    Current price $1,404.99
    In stock

    Gas Type Natural Gas Vent Type Concentric, Twin Pipe Gas Connection 3/4" MNPT ...

    View full details
    Original price $1,404.99 - Original price $1,404.99
    Original price
    $1,404.99
    $1,404.99 - $1,404.99
    Current price $1,404.99
  • Eccotemp FVI12-LP Liquid Propane Indoor Forced Vent Tankless Water Heater

    ECCOTEMP SYSTEMS
    Original price $684.99 - Original price $684.99
    Original price
    $684.99
    $684.99 - $684.99
    Current price $684.99
    In stock

    ECCOTEMP FVI12-LP LIQUID PROPANE INDOOR FORCED VENT TANKLESS WATER HEATER THE ECCOTEMP FVI12-LP TANKLESS WATER HEATER IS A LIQUID PROPANE FIRED, ...

    View full details
    Original price $684.99 - Original price $684.99
    Original price
    $684.99
    $684.99 - $684.99
    Current price $684.99
  • HE 199k BTU Natural Gas Interior Tankless Water Heater with Pump

    RINNAI
    Original price $1,972.49 - Original price $1,972.49
    Original price
    $1,972.49
    $1,972.49 - $1,972.49
    Current price $1,972.49
    In stock

    Item - Water Heaters Tankless Water Heaters BtuH - Water Heaters 199000 Type Indoor ...

    View full details
    Original price $1,972.49 - Original price $1,972.49
    Original price
    $1,972.49
    $1,972.49 - $1,972.49
    Current price $1,972.49

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