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Tankless Water Heaters

Tankless hot water heaters are high-efficiency. If you get your hot water from a boiler/tank right now, you may save hundreds of dollars per month, depending on your usage. The reason you will save so much money is that the tankless heater only uses energy when the water is flowing. Systems with tanks run constantly to maintain the water temperature of the entire volume of water in the tank at whatever temperature you set. What a waste!Buy tankless hot water heaters on sale

 


Searching for the right tankless water heater to buy and need assistance? Give us a quick call at 305-791-1101.

Use our powerful Tankless Feature Search Wizard here. –>

GadgetsGo.com is an Authorized Dealer for most major manufacturers including Drakken (a.k.a. American Heat, iHeat), Ecosmart, Chronomite, Eemax, Eccotemp, Rinnai, Bradford White, Noritz, Titan, Stiebel-Eltron, Marey, Quietside, and Bosch.

(Tankless water heaters are also referred to in different terms, depending on the manufacturer: inline water heaters, instant heat water heater, flow through water heater, flow through water heaters, ondemand water heater, tankless boiler, electric water heaters, electronic water heater, electrical water heaters, gas water heaters. You get the idea...)

  • Original price $59.99 - Original price $64.94
    Original price
    $59.99 - $64.94
    $59.99 - $64.94
    Current price $59.99

    Heating Element HE 90240 9 kW 240V EcoSmart ECO 18, ECO 27, ECO 36

    ECOSMART US LLC

    HE90240 9kW Replacement Heater Element for Tankless Water Heaters 9000 watt at 240 volts heating element for the EcoSmart ECO 18, ECO 27, and ECO ...

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    Original price $59.99 - Original price $64.94
    Original price
    $59.99 - $64.94
    $59.99 - $64.94
    Current price $59.99
  • Original price $72.80 - Original price $77.75
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    $72.80 - $77.75
    $72.80 - $77.75
    Current price $72.80

    Heating Element HA-P005 9 kW 240V Eemax HA027240 HA018240 etc.

    Eemax

    HA-P005 9kW Replacement Heater Element for Tankless Water Heaters 9000 watt at 240 volts heating element for several Eemax electric tankless water...

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    Original price $72.80 - Original price $77.75
    Original price
    $72.80 - $77.75
    $72.80 - $77.75
    Current price $72.80
  • Chronomite Instant-Flow SR Tankless Water Heater
    Chronomite Instant-Flow SR Tankless Water Heater
    Original price $210.00 - Original price $210.00
    Original price
    $210.00
    $210.00 - $210.00
    Current price $210.00

    Chronomite Instant-Flow SR Tankless Water Heater

    Chronomite Laboratories, Inc.

    The Chronomite Instant-Flow SR Tankless Hot Water Heater is an excellent basic instant water heater for numerous uses. It features low installation...

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    Original price $210.00 - Original price $210.00
    Original price
    $210.00
    $210.00 - $210.00
    Current price $210.00
  • Original price $34.98 - Original price $39.93
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    $34.98 - $39.93
    Current price $34.98

    Thermistor, EcoSmart ECO 18-21-24-27 (THRM-QC-MEDLRG)

    ECOSMART US LLC

    Thermistor THRM-QC-MEDLRG for EcoSmart ECO 18, 21, 24, 27, plus Rheem RTEX & Eemax HomeAdvantage/ProAdvantage MAKE SURE YOUR THERMISTOR TIPS ...

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    Original price $34.98 - Original price $39.93
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    $34.98 - $39.93
    Current price $34.98
  • Original price $299.00 - Original price $299.00
    Original price
    $299.00
    $299.00 - $299.00
    Current price $299.00

    Chronomite M-series Instant-Flow Micro Water Heater. Output Set Temp.

    Chronomite Laboratories, Inc.

    Buy this Chronomite Instant-Flow Micro Water Heater with adjustable output temperature limits. The Instant Flow Micro uses digital microprocessor t...

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    Original price $299.00 - Original price $299.00
    Original price
    $299.00
    $299.00 - $299.00
    Current price $299.00
  • EcoSmart Eco27 27kW 240V Electric Tankless Hot Water Heater SuccessActive
    EcoSmart Eco27 27kW 240V Electric Tankless Hot Water Heater SuccessActive
    Original price $516.19 - Original price $536.14
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    $516.19 - $536.14
    $516.19 - $536.14
    Current price $516.19

    EcoSmart Eco27 27kW 240V Electric Tankless Hot Water Heater

    ECOSMART US LLC

    The EcoSmart Large ECO 27 Electric Tankless Hot Water Heaters let you enjoy endless hot water when you want it, only when you need it. Go Tankless...

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    Original price $516.19 - Original price $536.14
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    $516.19 - $536.14
    Current price $516.19
  • Original price $41.98 - Original price $46.93
    Original price
    $41.98
    $41.98 - $46.93
    Current price $41.98

    Eemax HA-P022 Flow Sensor Assembly, HA018240 HA027240 HA036240

    Eemax

    Eemax HA-P022 Flow Sensor Assembly for HA018240, HA024240, HA027240 and HA03624, plus Eemax ProSeries, Rheem RTEX series, and more. This item ship...

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    Original price $41.98 - Original price $46.93
    Original price
    $41.98
    $41.98 - $46.93
    Current price $41.98
  • Sold out
    Original price $49.95 - Original price $54.90
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    $49.95 - $54.90
    Current price $49.95

    Rheem RTE-13 Replacement Heating element 5.5 KW 220V

    GadgetsGo

    This is the replacement heating element for the discontinued Rheem RTE-13 tankless water heater. The element is 5500 W at 220V. The RTE13 heater us...

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    Original price $49.95 - Original price $54.90
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    $49.95 - $54.90
    Current price $49.95
    Sold out
  • HA-P002 Heating element 5.5 KW 220V for Eemax HA013240 EEM24013 etc.
    HA-P002 Heating element 5.5 KW 220V for Eemax HA013240 EEM24013 etc.
    Original price $59.90 - Original price $64.85
    Original price
    $59.90 - $64.85
    $59.90 - $64.85
    Current price $59.90

    HA-P002 Heating element 5.5 KW 220V for Eemax HA013240 EEM24013 etc.

    Eemax

    Heating element 5.5 kW at 220V (6 kW at 240V) for Eemax HA013240, HA011240, PR013240, PR011240, EEM24013, EEM24011, EEM24006. Also compatible with...

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    Original price $59.90 - Original price $64.85
    Original price
    $59.90 - $64.85
    $59.90 - $64.85
    Current price $59.90
  • Chronomite C-Micro 0.2 GPM Instant-Low-Flow Activation CM Water Heater
    Chronomite C-Micro 0.2 GPM Instant-Low-Flow Activation CM Water Heater
    Original price $249.00 - Original price $259.00
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    $249.00 - $259.00
    Current price $249.00

    Chronomite C-Micro 0.2 GPM Instant-Low-Flow Activation CM Water Heater

    Chronomite Laboratories, Inc.

    The Instant-Flow C-Micro has an ultra-low-flow activation rate of 0.2 GPM (0.75 LPM) plus adjustable output temperature limits. The Instant Flow C-...

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    Original price $249.00 - Original price $259.00
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    $249.00 - $259.00
    Current price $249.00
  • Original price $59.99 - Original price $64.94
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    $59.99 - $64.94
    Current price $59.99

    HE 60208 Heating element 8kW-240V 6kW-208V for EcoSmart ECO8

    ECOSMART US LLC

    HE60208 is the replacement Heating element, 6 kW/208V/28.8 amps, (8kW/240V/33 amps) for EcoSmart ECO8 tankless water heaters. Also compatible with...

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    Original price $59.99 - Original price $64.94
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    $59.99 - $64.94
    Current price $59.99
  • 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
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    $1,701.70 - $1,721.65
    $1,701.70 - $1,721.65
    Current price $1,701.70
  • Original price $196.00 - Original price $200.95
    Original price
    $196.00
    $196.00 - $200.95
    Current price $196.00

    Chronomite S-30L 120v 27 amps 3000W Instant-Flow Tankless Water Heater

    Chronomite Laboratories, Inc.

    Original S-30L/120 version of Instant-Flow: 120v, 27 amps, 3000 watts Perfect for low-flow and single point-of-use installations such as sinks and ...

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    Original price $196.00 - Original price $200.95
    Original price
    $196.00
    $196.00 - $200.95
    Current price $196.00
  • Wall plate for Navien HotButton, part number GXXX001427
    Original price $5.95 - Original price $10.90
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    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
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    $5.95 - $10.90
    Current price $5.95
  • Original price $63.82 - Original price $68.77
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    $63.82 - $68.77
    $63.82 - $68.77
    Current price $63.82

    Eemax EX278A Standard Temperature Thermostat

    Eemax

    EX278A-Kit Emergency Cut-off ("ECO") Standard Temperature Range Thermostat for EX and SP series point-of-use Eemax tankless water heaters

    Original price $63.82 - Original price $68.77
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    $63.82 - $68.77
    $63.82 - $68.77
    Current price $63.82
  • Original price $59.99 - Original price $64.94
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    $59.99 - $64.94
    $59.99 - $64.94
    Current price $59.99

    HE55220 Replacement Heating element 5.5 KW 220V, EcoSmart ECO11, POU6

    ECOSMART US LLC

    HE55220 is the replacement heating element for tankless water heaters with 5.5 kW at 220V (6 kW at 240V) for EcoSmart POU 6, ECO 11. Also compatibl...

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    Original price $59.99 - Original price $64.94
    Original price
    $59.99 - $64.94
    $59.99 - $64.94
    Current price $59.99
  • Original price $453.39 - Original price $1,693.06
    Original price
    $453.39
    $453.39 - $1,693.06
    Current price $453.39

    Eemax SPEX95T 240V 40 amp LavAdvantage Electric Water Heater

    Eemax

    LavAdvantage SPEX95T: 9.5 kW Thermostatic point of use water heater for hand washing and other low-flow applications that require precise temperat...

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    Original price $453.39 - Original price $1,693.06
    Original price
    $453.39
    $453.39 - $1,693.06
    Current price $453.39
  • 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
  • Original price $229.99 - Original price $234.94
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    $229.99 - $234.94
    $229.99 - $234.94
    Current price $229.99

    Marey ECO110 220v-240v Electric Tankless Water Heater & LED

    Marey Heater Corp.

    The smartest hot water solution for one to two simultaneous points of hot water use (depending on climate) The new Marey ECO110 offers excellent v...

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    Original price $229.99 - Original price $234.94
    Original price
    $229.99 - $234.94
    $229.99 - $234.94
    Current price $229.99
  • Original price $90.27 - Original price $95.22
    Original price
    $90.27
    $90.27 - $95.22
    Current price $90.27

    Eemax EX630 Replacement Element for Tankless Heaters

    Eemax

    Replacement Element for EX95, EX95T, EX144TC, EX144T2, EX190T2, EX190TC, SS019240TC, EX280T3, EX280T2T, PA010240T, PA019240TC, PA028240T2T, SS...

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    Original price $90.27 - Original price $95.22
    Original price
    $90.27
    $90.27 - $95.22
    Current price $90.27
  • Original price $189.95 - Original price $194.90
    Original price
    $189.95 - $194.90
    $189.95 - $194.90
    Current price $189.95

    Chronomite S-30L 220v-240v 3000W, 13 amps Instant-Flow Tankless

    Chronomite Laboratories, Inc.

    Original S-30L/240 version of Instant-Flow: 220-240v, 13 amps, 3000 watts Note: The 30 in the model number is not the amperage, as with the SR seri...

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    Original price $189.95 - Original price $194.90
    Original price
    $189.95 - $194.90
    $189.95 - $194.90
    Current price $189.95
  • 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 $613.99 - Original price $2,832.45
    Original price
    $613.99 - $2,832.45
    $613.99 - $2,832.45
    Current price $613.99

    Eemax EX144TC 15kW 240V Residential Electric Tankless Water Heater

    Eemax

    EX144TC Series Two 15 kW 240 V thermostatic water heater for residential applications Two heating modules for heating water up to 3 gpm. TC model...

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    Original price $613.99 - Original price $2,832.45
    Original price
    $613.99 - $2,832.45
    $613.99 - $2,832.45
    Current price $613.99
  • Original price $59.99 - Original price $64.94
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    $59.99 - $64.94
    $59.99 - $64.94
    Current price $59.99

    HA-P003 Heating element 6kW-208V (8kW-240V) for Eemax HA008240

    Eemax

    Heating element 8kW/240V/33A (6 kW/208V/28.8 amp) for Eemax HA008240, EEM24008 and PR08240 tankless water heaters. Also compatible with other manu...

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    Original price $59.99 - Original price $64.94
    Original price
    $59.99 - $64.94
    $59.99 - $64.94
    Current price $59.99
  • Sold out
    Original price $972.00 - Original price $991.95
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    $972.00 - $991.95
    $972.00 - $991.95
    Current price $972.00

    Rinnai V53eP Outdoor Liquid Propane Tankless Water Heater

    Rinnai

    Rinnai's V53eP exterior mounted tankless water heater delivers up to 5.3 gallons of hot water per minute efficiently, making it perfect for houses...

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    Original price $972.00 - Original price $991.95
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    $972.00 - $991.95
    $972.00 - $991.95
    Current price $972.00
    Sold out
  • Original price $749.00 - Original price $749.00
    Original price
    $749.00
    $749.00 - $749.00
    Current price $749.00

    Rheem RTG-84 Series Gas Hot Water Heater

    Rheem

    Rheem RTG is a series of mid-efficiency, ultra low NOx tankless gas water heaters made for continuous hot water in homes with 2-3 bathrooms. ...

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    Original price $749.00 - Original price $749.00
    Original price
    $749.00
    $749.00 - $749.00
    Current price $749.00
  • 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 $594.63 - Original price $614.58
    Original price
    $594.63 - $614.58
    $594.63 - $614.58
    Current price $594.63

    Eemax HomeAdvantage 13kW 240V HA013240 Electric Tankless Water Heater

    Eemax

    #1 US Brand of Electric Tankless Water Heaters MODEL HA013240 Eemax Electric Tankless Water Heater - HomeAdvantage II Eemax Electric tankless wat...

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    Original price $594.63 - Original price $614.58
    Original price
    $594.63 - $614.58
    $594.63 - $614.58
    Current price $594.63
  • Original price $577.57 - Original price $651.49
    Original price
    $577.57
    $577.57 - $651.49
    Current price $577.57

    Eemax SPEX012240T 240V 48 amp LavAdvantage Electric Water Heater

    Eemax

    LavAdvantage SPEX012240T: 11.5 kW @ 240V Thermostatic instant-on water heater for point-of-use applications that require precise temperature contr...

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    Original price $577.57 - Original price $651.49
    Original price
    $577.57
    $577.57 - $651.49
    Current price $577.57
  • 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 $457.75 - Original price $1,693.06
    Original price
    $457.75
    $457.75 - $1,693.06
    Current price $457.75

    Eemax SPEX80T 277V 29 amp LavAdvantage Commercial Electric Water Heater

    Eemax

    LavAdvantage SPEX80T: 8.0 kW Thermostatic point of use water heater for point-of-use applications that require precise temperature control Feature...

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    Original price $457.75 - Original price $1,693.06
    Original price
    $457.75
    $457.75 - $1,693.06
    Current price $457.75
  • Original price $68.00 - Original price $72.95
    Original price
    $68.00 - $72.95
    $68.00 - $72.95
    Current price $68.00

    Rinnai-Ubbink Condensate Collector, pn 224069

    Rinnai

    This termination kit is a component of the Ubbink concentric venting system. It is used frequently to turn an exiting two-vent system into a single...

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    Original price $68.00 - Original price $72.95
    Original price
    $68.00 - $72.95
    $68.00 - $72.95
    Current price $68.00
  • Original price $159.95 - Original price $159.95
    Original price
    $159.95
    $159.95 - $159.95
    Current price $159.95

    Stiebel Eltron Mini POU Electric Tankless Water Heater

    Stiebel Eltron

    Get the superior, reliable, and energy-saving tankless electric water heater for point-of-use applications. The Stiebel Eltron Mini line was design...

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    Original price $159.95 - Original price $159.95
    Original price
    $159.95
    $159.95 - $159.95
    Current price $159.95
  • Original price $845.83 - Original price $865.78
    Original price
    $845.83 - $865.78
    $845.83 - $865.78
    Current price $845.83

    Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater

    Stiebel Eltron

    Part number 224199 is no longer available.  This was the old gray model Tempra which was phased out in 2018. The new part number is 239222, White T...

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    Original price $845.83 - Original price $865.78
    Original price
    $845.83 - $865.78
    $845.83 - $865.78
    Current price $845.83
  • Original price $1,549.00 - Original price $1,568.95
    Original price
    $1,549.00 - $1,568.95
    $1,549.00 - $1,568.95
    Current price $1,549.00

    Noritz NRCP1112 11.1 GPM Indoor Liquid Propane Condensing Tankless Water Heater

    Noritz

    Get energy-efficient, endless, hot water at a low installation cost. The NRCP1112 indoor condensing tankless water heater can provide up to 11 gal ...

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    Original price $1,549.00 - Original price $1,568.95
    Original price
    $1,549.00 - $1,568.95
    $1,549.00 - $1,568.95
    Current price $1,549.00