Eccotemp EL22-NG Outdoor Tankless Water Heater
Eccotemp EL22-NG Outdoor Tankless Water Heater
Eccotemp EL22-NG Outdoor Tankless Water Heater
Eccotemp EL22-NG Outdoor Tankless Water Heater
Eccotemp EL22-NG Outdoor Tankless Water Heater
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Eccotemp EL22-NG Outdoor Tankless Water Heater


The Eccotemp EL22 Natural Gas Tankless Water Heater is the largest outdoor model of the Eccotemp tankless line. This model has a sleek, black tempered front glass casing with automatic temperature controls and a touch screen with an LED digital display that shows the output temperature reading and gallons per minute flow rate. The Eccotemp EL22 is rated at an impressive 6.8 gallons per minute and has a maximum BTU rate of 140,000. Whether you use Natural Gas or Liquid Propane, the Eccotemp EL22 is the perfect solution for all the hot-water needs of a standard home or apartment with one or two bathrooms as well as smaller commercial applications.

Product Features:

  • CSA Certified for US and Canadian use

  • Hot water capacity range: 0.8 - 6.8 GPM

    • 45-degree rise: 6.8 GPM

    • 50-degree rise: 5.0 GPM

    • 70-degree rise: 3.4 GPM

  • Comes with Digital Remote with simple controls and diagnostics

  • Natural Gas-Powered 

  • 110-volt UL Listed Power Cord

  • Activation Flow: 0.8 GPM 

  • Maximum Flow Rate: 6.8 GPM 

  • Energy Factor: 0.80 

  • Energy Rating: 82% 

  • Minimum/Maximum Gas Rate: 26,000 - 140,000 BTUs

  • No Venting Required

What's Included:

  • EL22 Outdoor Natural Gas Tankless Water Heater

  • Instruction Manual

  • Installation Hardware

  • Gas Appliance Shut-Off

  • Temperature & Pressure-Relief Valve (Included in Canadian shipments only)

  • 10 Year Warranty on Heat Exchanger

  • 5 Year Warranty on Parts

EL22 Product Info and Manual
EL22 Warranty

The Eccotemp EL22 has been tested for use at elevations up to 2000 feet. Installation and use of the Eccotemp EL22 above 2000 feet may effect overall product efficiency and performance. Installation and use of the Eccotemp EL22 above 5000 feet is not recommended.


Please Note: Failure to clean and descale your water heater quarterly can result in lime and sediment build up within the heater, which can void your warranty! We recommend using our Eccotemp EZ-Flush System Descaler Kit to ensure a clean, energy efficient, long lasting heater!  Click here for details.

All Whole Home Water Heater purchases will be shipped with SIGNATURE REQUIRED. If you wish to remove SIGNATURE REQUIRED from your shipment please contact Customer Service immediately to have it removed. Please Note: By opting out of SIGNATURE REQUIRED you release Eccotemp Systems, LLC from all liability of lost or stolen packages. Call 1-866-356-1992 or chat with us here to speak with a customer service agent.


Installation Outdoor
Flow Rate 6.8 GPM
Color Black
Applications Standard Home, Cabins, Apartment/Townhome
Power Type Natural Gas (NG)
Dimensions 18.00" x 38.00" x 10.00"
GTIN: 00891876002935
Color: Blue, Purple, White
Size: 20, 24
Material: 100% Polyester