Eccotemp i12-LP Propane Indoor Tankless Water Heater black touchscreen


Weight: 25.00 lbs
MPN: i12-LP

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Eccotemp i12-LP Indoor Tankless Water Heater

Eccotemp i12-LP Indoor Tankless Water Heater

This might be the best-looking tankless water heater in the universe.

Eccotemp created the i12-LP with top-of-class design. It's unique among tankless water heaters on the market today. The exterior case is made of black Gorilla Glass. You can control the temperature with the touch screen, which has an LCD output temperature and gallons per minute ("GPM") flow display.

The i12-LP digital display control functions and the internal exhaust fan are powered by the 120 volt UL listed power cord, using only 2 watts while in idle, standby mode, and 1.07 Amps during operation. This makes it a super energy efficient appliance.

Water temperature heating delta/increase capability
≈ 35°F to 40°F at a flow rate of 3 GPM
≈ 77°F at a flow rate of 1.5 GPM
Within the limitations stated above, the temperature range selectable on the front control panel is between 90°F and 140°F.

Download Eccotemp i12 Manual

More Features

  • Gorilla Glass casing
  • Child lock controls
  • Fully automatic temperature controls
  • LCD temperature display
  • Power vented for safety and efficiency
  • Tested safe electronic ignition
  • Stainless vent kit included, 2.5" not 3" diameter, with the following pieces: 18" termination pipe, wall thimble (for 4 to 7" wall thickness), and 90 degree elbow with backflow preventer.
  • Uses gas only when hot water tap is on and flowing
  • Includes 5-foot power cord with plug
  • UL Listed electrical components
  • TEN year warranty on heat exchanger in residences; two years in commercial installations. FIVE year warranty on parts. For warranty replacement shipping within 30 days, Eccotemp pays shipping both ways. After 30 days, Eccotemp pays for shipping to customer.


  • 1/2" NPT water connection
  • 1/2" gas connection. 1/2" to 3/4" adapter included
  • Weight: 33 pounds
  • Dimensions: 15" W x 24" H x 4" D
  • Requires standard 120 volt electric outlet with a breaker size of at least 2 amps.
  • Hot water capacity range: 0.6 to 4.8 GPM
  • Minimum gas rate of use: 25,000 BTUs
  • Maximum gas rate of use: 80,000 BTUs
  • Energy efficiency rating: 85%
  • Minimum water pressure of 14 psi. Minimum water flow rate of 0.75 GPM.
  • Minimum Inlet Gas Pressure: 4” W.C. (1Kpa)
  • Maximum Inlet Gas Pressure: 10.5'' W.C. (2.61Kpa)
  • Manifold Pressure: 3.05'' W.C. (0.76Kpa)
  • Heat exchanger material: copper
  • Ratings of gas appliances are based on sea level operation and need not be changed for installations at elevations up to 2,000 feet. Not recommended for elevations greater than 2,000 feet.

Operate on well water systems at a range of 50 to 60 PSI.

The maximum recommended incoming water temperature is 80°F. Not recommeded for recirculation applications. Instead, consider an electric tankless water heater.

Frequently Asked Question ("FAQ")

Q: Is the heated output water potable (drinkable)?
A: Yes! Eccotemp has tested the heated output water as acceptable according to water safety standards.

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Feb 1, 2016
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