Skip to content
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376

The Eccotemp EL22i Natural Gas Tankless Water Heater is the largest indoor 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 EL22i 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 EL22i 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
  • Remote Control available as option (sold separately)
  • 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
  • 4" Venting Required

What's Included:

  • Eccotemp EL22i Indoor Tankless Water Heater
  • 10 Year Warranty on Heat Exchanger
  • 5 Year Warranty on Parts
  • Eccotemp EZ-Flush Descaler Kit
  • Eccotemp 3/4" Service Valve Kit (Lead Free) by Jomar

EL22i Product Info and Manual
EL22i Warranty

The Eccotemp EL22i has been tested for use at elevations up to 2000 feet. Installation and use of the Eccotemp EL22i above 2000 feet may affect overall product efficiency and performance. Installation and use of the Eccotemp EL22i above 5000 feet is not recommended.

IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.



Color Black
Flow Rate 6.8 GPM
Installation Indoor
Applications Standard Home, Apartment/Townhome
Power Type Natural Gas (NG)

17.75" x 29.50" x 9.50"

Blog posts

  • Intermatic Pool Timer Troubleshooting Steps
    March 23, 2023

    Intermatic Pool Timer Troubleshooting Steps

    If you're a pool owner, you know that keeping your pool clean and well-maintained is essential. One of the most important parts of pool maintenance is ensuring that your pool pump is running on a regular schedule. That's where Intermatic...

    Read now
  • Get Your Pool Ready for Summer
    March 21, 2023

    Get Your Pool Ready for Summer

    Swimming pools are an excellent way to beat the heat and enjoy a refreshing dip during the summer months. However, owning a pool requires regular maintenance, including pool cleaning. Regular pool cleaning is not only important for aesthetic purposes but...

    Read now

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