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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...)

  • Eemax SPEX75 FlowCo Commercial Sink Electric Water Heater
    Original price $349.41 - Original price $369.36
    Original price
    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41

    Eemax SPEX75 240V 31 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX75 Flow Co 7500 Watt 220V-240V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it in ...

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    Original price $349.41 - Original price $369.36
    Original price
    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41
  • Eemax SPEX60 FlowCo Commercial Sink Electric Water Heater
    Original price $355.88 - Original price $375.83
    Original price
    $355.88
    $355.88 - $375.83
    Current price $355.88

    Eemax SPEX60 277V 22 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX60 Flow Co 6000 Watt 277V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it in any d...

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    Original price $355.88 - Original price $375.83
    Original price
    $355.88
    $355.88 - $375.83
    Current price $355.88
  • Instant electric hot water heater repair parts
    Original price $132.88 - Original price $137.83
    Original price
    $132.88 - $137.83
    $132.88 - $137.83
    Current price $132.88

    Eemax EX520SS: Replacement Heating Element for EX8208T-DI

    Eemax

    Replacement Heating Element for Eemax EX8208T-DI Buy this replacement heating element to replace a defective or broken one. Or, have it on hand as ...

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    Original price $132.88 - Original price $137.83
    Original price
    $132.88 - $137.83
    $132.88 - $137.83
    Current price $132.88
  • Eemax Replacement Element
    Original price $90.27 - Original price $95.22
    Original price
    $90.27
    $90.27 - $95.22
    Current price $90.27

    Eemax EX520 Replacement Element for EX8208 (T)

    Eemax

    Replacement Element for EX8208 (T).

    Original price $90.27 - Original price $95.22
    Original price
    $90.27
    $90.27 - $95.22
    Current price $90.27
  • Eemax Replacement Element
    Original price $90.27 - Original price $95.22
    Original price
    $90.27 - $95.22
    $90.27 - $95.22
    Current price $90.27

    Eemax EX1650SP Replacement Element for SP35

    Eemax

    Replacement Element for SP35.

    Original price $90.27 - Original price $95.22
    Original price
    $90.27 - $95.22
    $90.27 - $95.22
    Current price $90.27
  • Thermostatic Circuit Board
    Original price $140.05 - Original price $145.00
    Original price
    $140.05 - $145.00
    $140.05 - $145.00
    Current price $140.05

    Eemax EX0284E-309-240 Home-ProAdvantage 240V Thermostatic Circuit Board

    Eemax

    EX284E-309-240 and EX0284E-309-240 240V Thermostatic Circuit Board for HomeAdvantage and ProAdvantage heaters.

    Original price $140.05 - Original price $145.00
    Original price
    $140.05 - $145.00
    $140.05 - $145.00
    Current price $140.05
  • Eemax SPEX3208 FlowCo Commercial Sink Electric Water Heater
    Original price $349.41 - Original price $369.36
    Original price
    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41

    Eemax SPEX3208 208V 14 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX3208 Flow Co 3000 Watt 208V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it in any...

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    Original price $349.41 - Original price $369.36
    Original price
    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41
  • Eemax SPEX48T LavAdvantage POU Sink Electric Water Heater
    Eemax SPEX48T LavAdvantage Handwashing Sink Electric Water Heater
    Original price $453.39 - Original price $1,693.06
    Original price
    $453.39 - $1,693.06
    $453.39 - $1,693.06
    Current price $453.39

    Eemax SPEX48T 240V 20 Amp LavAdvantage Sink Electric Water Heater

    Eemax

    LavAdvantage SPEX48T: 4.8 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 - $1,693.06
    $453.39 - $1,693.06
    Current price $453.39
  • Rinnai RL94iP
    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00

    Rinnai RL94iP Indoor Liquid Propane Tankless Water Heater

    Rinnai

    The RL94iN allows you to enjoy hot water continuously and simultaneously for up to four bathrooms. With the capacity to deliver up to 9.4 gallons...

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    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00
  • Rinnai RL94e
    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00

    Rinnai RL94eN Outdoor Natural Gas Tankless Water Heater

    Rinnai

    The RL94eN is Rinnai's value-priced, high-output, non-condensing residential water heater. It allows you to enjoy hot water continuously and sim...

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    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00
  • Rinnai RU199eN Exterior 199K BTU Natural Gas Tankless Water Heater
    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 RU199eN Sensei+ Outdoor 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
  • Spare replacement parts for Eemax heaters
    Original price $90.27 - Original price $95.22
    Original price
    $90.27 - $95.22
    $90.27 - $95.22
    Current price $90.27

    Eemax EX1000: Replacement Heating Element for EX120

    Eemax

    Replacement Heating Element for Eemax EX120 (T, TC, T2) Only required if the heating element is defective or broken. Features • Easy Installa...

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    Original price $90.27 - Original price $95.22
    Original price
    $90.27 - $95.22
    $90.27 - $95.22
    Current price $90.27
  • Rinnai RL75 Tankless On-demand Gas Water Heater
    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 RL75eP Outdoor Liquid Propane 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 RL75eP. 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
  • Rinnai RL94iN Indoor Natural Gas Tankless Water Heater
    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00

    Rinnai RL94iN Indoor Natural Gas Tankless Water Heater

    Rinnai

    The RL94iN allows you to enjoy hot water continuously and simultaneously for up to four bathrooms. With the capacity to deliver up to 9.4 gallons...

    View full details
    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00
  • Water heater for residential, commercial, industrial use
    Original price $297.95 - Original price $397.95
    Original price
    $297.95 - $397.95
    $297.95 - $397.95
    Current price $297.95

    Eemax Series One Flow Controlled Electric Tankless Water Heater EX100

    Eemax

    EX100 Series One 10 kW 277 V electric tankless water heater for low-flow residential and commercial applications Flow controlled, single point of...

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    Original price $297.95 - Original price $397.95
    Original price
    $297.95 - $397.95
    $297.95 - $397.95
    Current price $297.95
  • Rinnai RU199i-N Sensei Series Indoor Nat. Gas Tankless Water Heater
    Original price $2,141.00 - Original price $2,160.95
    Original price
    $2,141.00 - $2,160.95
    $2,141.00 - $2,160.95
    Current price $2,141.00

    Rinnai RU180eN 180K BTU Outdoor Natural Gas NG 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 $2,141.00 - Original price $2,160.95
    Original price
    $2,141.00 - $2,160.95
    $2,141.00 - $2,160.95
    Current price $2,141.00
  • Eemax SPEX48 FlowCo Commercial Sink Electric Water Heater
    Original price $349.41 - Original price $369.36
    Original price
    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41

    Eemax SPEX48 240V 20 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX48 Flow Co 4800 Watt 220V-240V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it in ...

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    Original price $349.41 - Original price $369.36
    Original price
    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41
  • Rinnai RUR98eN Ultra Series Outdoor Natural Gas Tankless Water Heater
    Original price $1,788.00 - Original price $1,807.95
    Original price
    $1,788.00 - $1,807.95
    $1,788.00 - $1,807.95
    Current price $1,788.00

    Rinnai RU130e Outdoor Natural Gas & Propane 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 experien...

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    Original price $1,788.00 - Original price $1,807.95
    Original price
    $1,788.00 - $1,807.95
    $1,788.00 - $1,807.95
    Current price $1,788.00
  • Eemax HomeAdvantage II HA011240 Electric Tankless Water Heater
    Original price $428.33 - Original price $448.28
    Original price
    $428.33 - $448.28
    $428.33 - $448.28
    Current price $428.33

    Eemax HomeAdvantage 11kW 240V HA011240 Electric Tankless Water Heater

    Eemax

    #1 US Brand of Electric Tankless Water Heaters MODEL HA011240 Eemax Electric Tankless Water Heater - HomeAdvantage II Eemax Electric tankless wat...

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    Original price $428.33 - Original price $448.28
    Original price
    $428.33 - $448.28
    $428.33 - $448.28
    Current price $428.33
  • Rinnai RL94e
    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00

    Rinnai RL94eP Outdoor Liquid Propane Tankless Water Heater

    Rinnai

    The RL94eN allows you to enjoy hot water continuously and simultaneously for up to four bathrooms. With the capacity to deliver up to 9.4 gallons...

    View full details
    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00
  • Rinnai RL75i Tankless On-demand Gas Water Heater
    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 RL75iP Indoor Liquid Propane 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 RL75iP. 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
  • Rinnai RL75 Tankless On-demand Gas Water Heater
    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 RL75eN Outdoor 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 RL75eN. Ideal for 2 to 3...

    View full details
    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
  • Eemax EX160T2 277V 16kW Electric Tankless Water Heater
    Eemax EX160T2 277V 16kW Electric Tankless Water Heater
    Original price $1,016.87 - Original price $2,832.45
    Original price
    $1,016.87 - $2,832.45
    $1,016.87 - $2,832.45
    Current price $1,016.87

    Eemax EX160T2 277V 16kW Electric Tankless Water Heater

    Eemax

    EX160T2 Series Two 16 kW 277 V thermostatic water heater for commercial applications Two heating modules for heating water up to 4 gpm. T2 model ...

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    Original price $1,016.87 - Original price $2,832.45
    Original price
    $1,016.87 - $2,832.45
    $1,016.87 - $2,832.45
    Current price $1,016.87
  • Original price $34.99 - Original price $46.94
    Original price
    $34.99 - $46.94
    $34.99 - $46.94
    Current price $34.99

    EcoSmart Thermistor Long metal tips, Black and Red Wires THRM QC S103

    ECOSMART US LLC

    Thermistor  NOTE: Make sure you choose the correct size for your water heaters! NO RETURNS ON THIS ITEM. MAKE SURE YOUR THERMISTOR TIPS (plug con...

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    Original price $34.99 - Original price $46.94
    Original price
    $34.99 - $46.94
    $34.99 - $46.94
    Current price $34.99
  • Original price $42.00 - Original price $46.95
    Original price
    $42.00 - $46.95
    $42.00 - $46.95
    Current price $42.00

    Triac 1st Heating Element- HA-P008

    ECOSMART US LLC

    Triac 1st Heating Element- HA-P008   Description: Replacement Triac 1st Heating Element HA-P008 Part Number HA-P008 Item Weight 3 ounces Pr...

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    Original price $42.00 - Original price $46.95
    Original price
    $42.00 - $46.95
    $42.00 - $46.95
    Current price $42.00
  • Rinnai CU199eN Commercial 199K BTU Outdoor NG Tankless Water Heater
    Original price $2,546.00 - Original price $2,565.95
    Original price
    $2,546.00 - $2,565.95
    $2,546.00 - $2,565.95
    Current price $2,546.00

    Rinnai CU199eN Commercial 199K BTU Outdoor Natural Gas Tankless 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...

    View full details
    Original price $2,546.00 - Original price $2,565.95
    Original price
    $2,546.00 - $2,565.95
    $2,546.00 - $2,565.95
    Current price $2,546.00
  • Rinnai CU199eP Commercial 199K BTU Outdoor LP Tankless Water Heater
    Original price $2,546.00 - Original price $2,565.95
    Original price
    $2,546.00 - $2,565.95
    $2,546.00 - $2,565.95
    Current price $2,546.00

    Rinnai CU199eP Commercial 199K BTU Outdoor LP Propane Tankless 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...

    View full details
    Original price $2,546.00 - Original price $2,565.95
    Original price
    $2,546.00 - $2,565.95
    $2,546.00 - $2,565.95
    Current price $2,546.00
  • Rinnai CU199iP Commercial 199K BTU Indoor Propane Tankless Heater
    Original price $2,546.00 - Original price $2,565.95
    Original price
    $2,546.00 - $2,565.95
    $2,546.00 - $2,565.95
    Current price $2,546.00

    Rinnai CU199iP Commercial 199K BTU Indoor LP Propane Tankless 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...

    View full details
    Original price $2,546.00 - Original price $2,565.95
    Original price
    $2,546.00 - $2,565.95
    $2,546.00 - $2,565.95
    Current price $2,546.00
  • Rinnai RU199i-N Sensei Series Indoor Nat. Gas Tankless Water Heater
    Original price $2,141.00 - Original price $2,160.95
    Original price
    $2,141.00 - $2,160.95
    $2,141.00 - $2,160.95
    Current price $2,141.00

    Rinnai RU180eP 180K BTU Outdoor Propane LP 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...

    View full details
    Original price $2,141.00 - Original price $2,160.95
    Original price
    $2,141.00 - $2,160.95
    $2,141.00 - $2,160.95
    Current price $2,141.00
  • Rinnai RU199i-N Sensei Series Indoor Nat. Gas Tankless Water Heater
    Original price $2,141.00 - Original price $2,160.95
    Original price
    $2,141.00 - $2,160.95
    $2,141.00 - $2,160.95
    Current price $2,141.00

    Rinnai RU180iN 180K BTU Indoor Natural Gas NG 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...

    View full details
    Original price $2,141.00 - Original price $2,160.95
    Original price
    $2,141.00 - $2,160.95
    $2,141.00 - $2,160.95
    Current price $2,141.00
  • Rinnai RU199i-N Sensei Series Indoor Nat. Gas Tankless Water Heater
    Original price $2,141.00 - Original price $2,160.95
    Original price
    $2,141.00 - $2,160.95
    $2,141.00 - $2,160.95
    Current price $2,141.00

    Rinnai RU180iP 180K BTU Indoor LP Propane 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...

    View full details
    Original price $2,141.00 - Original price $2,160.95
    Original price
    $2,141.00 - $2,160.95
    $2,141.00 - $2,160.95
    Current price $2,141.00
  • Rinnai CU199iN Commercial 199K BTU Indoor Natural Gas Tankless Heater
    Original price $2,546.00 - Original price $2,565.95
    Original price
    $2,546.00 - $2,565.95
    $2,546.00 - $2,565.95
    Current price $2,546.00

    Rinnai CU199iN Commercial 199K BTU Indoor Natural Gas Tankless 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...

    View full details
    Original price $2,546.00 - Original price $2,565.95
    Original price
    $2,546.00 - $2,565.95
    $2,546.00 - $2,565.95
    Current price $2,546.00
  • Eemax SPEX80 FlowCo Commercial Sink Electric Water Heater
    Original price $355.88 - Original price $375.83
    Original price
    $355.88
    $355.88 - $375.83
    Current price $355.88

    Eemax SPEX80 277V 29 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX80 Flow Co 8000 Watt 277V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it in any d...

    View full details
    Original price $355.88 - Original price $375.83
    Original price
    $355.88
    $355.88 - $375.83
    Current price $355.88
  • Rinnai RLX94iN Luxury Series Ultra-Low NOx Indoor NG Tankless Water Heater
    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00

    Rinnai RLX94iN Luxury Series Ultra-Low NOx Indoor NG Tankless Water Heater

    Rinnai

    High-efficiency, high-output for 9.8 gallons of hot water per minute. The Rinnai RLX94i-N offers the same benefits as other Luxury Series tankless...

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    Original price $1,919.00 - Original price $1,938.95
    Original price
    $1,919.00 - $1,938.95
    $1,919.00 - $1,938.95
    Current price $1,919.00
  • Eemax ProAdvantage Electric Tankless Water Heater
    Original price $898.80 - Original price $918.75
    Original price
    $898.80 - $918.75
    $898.80 - $918.75
    Current price $898.80

    Eemax ProAdvantage PA010240T Electric Tankless Water Heater

    Eemax

    #1 US Brand of Electric Tankless Water Heaters MODEL PA010240T Electric Tankless Water Heater - ProAdvantage Series - Commercial The Eemax ProAdv...

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    Original price $898.80 - Original price $918.75
    Original price
    $898.80 - $918.75
    $898.80 - $918.75
    Current price $898.80
  • Eemax Tankless Hot Water Heater for ASSE 1070-2004 Applications
    Original price $625.00 - Original price $629.95
    Original price
    $625.00 - $629.95
    $625.00 - $629.95
    Current price $625.00

    Eemax Tankless Water Heater - Accumix Series MT008277T

    Eemax

    #1 US Brand of Electric Tankless Water Heaters MODEL: MT008277T Eemax Tankless Water Heater - Accumix Series Heater for use in Code-Compliant ASS...

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    Original price $625.00 - Original price $629.95
    Original price
    $625.00 - $629.95
    $625.00 - $629.95
    Current price $625.00