ECOSMART ECO36 Tankless Water Heater Electric 25 GPM Indoor

Item#: ECO36

Brand: EcoSmart

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Product Details


ECO 36

Voltage 240
Phase Single
KW 36 KW
Elements 4 x 9 KW @ 240
Amperage Draw 150 Amps
Required Breaker 4 x 40 DP
Required Wire 4 x 8 AWG
Electrical Panel 300 Amps
HZ 50/60
Pipes fittings 3/4" NPT
Dimensions (in.) 17 x 19 x 3.75
Weight 17.4 lbs.
Exchanger Copper
Protection Thermal Auto
Temperature Control Digital
Activation flow .25 GPM
Energy efficiency 99.8 %
Certification ETL Listed to UL 499 & CSA
Warranty Lifetime*
deal for a large single family home with a busy family with multiple applications running simultaneously


The ECO 36 is the most powerful model from our full line of tankless water heaters, with the capacity to handle a large single-family home with the need to run hot water simultaneously from multiple applications, even in colder climates

The ECO 36 can run four showers and two sinks simultaneously without running out of hot water. Use the EcoSmart interactive sizing guide to find if this model is ideal for you.

ECO 36 Features:

  • Savings of up to 50% on water heating costs
  • The most advanced, self-modulating technology available, meaning the ECO 36 will adjust energy usage based on how much hot water is needed
  • Stylish and advanced design that is pleasing to the eye
  • Digital temperature control in 1-degree increments allows control of hot water
  • Copper and stainless components designed for efficiency, durability and easy replacement
  • Compact size saves valuable storage space