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EcoSmart ECO-24 Electric Tankless Water Heater 24KW 2 to 3 Bath

$ 525.00

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Great for a medium sized single family home with a small family.

Designed for a medium to large single family home, in cold climates, the Eco Smart ECO 24 can heat a shower and two sinks simultaneously, and in warm climates, three showers and two sinks.

  • Savings of up to 50% on water heating costs
  • The most advanced, self-modulating technology available, meaning the ECO 24 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
Dimensions (in.) 18 x 17 x 3.75
Weight 13.75 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*
Tech Specs
Voltage 240
Phase Single
KW 24 KW
Elements 3 x 8 KW @ 240
Amperage Draw 100.0 Amps
Required Breaker 3 x 40 DP
Required Wire 3 x 8 AWG
Electrical Panel 200 Amps
HZ 50/60
Pipes fittings 3/4" NPT

Full Color installation diagram for EcoSmart ECO-24 with filters, ball valves and water flow direction.


Ask a Question
  • Does this unit come with a warranty?

    All EcoSmart water heaters feature a limited lifetime warranty on electronic components as well as heat exchangers.

  • What size fittings does this unit have?

    The EcoSmart Eco-24 tankless water heater uses 3/4” fittings on both the inlet and outlet, both located on the bottom of the unit.

  • What electrical specifications are required for this unit?

    The EcoSmart Eco-24 tankless water heater runs on 240 volts, and is a three-line heater. It pulls 100 amps, calling for 3 Double Pole 40 amp breakers, and 8/2 wire (8 gauge).

  • How many bathrooms can this unit provide hot water for?

    The EcoSmart Eco-24 tankless water heater is a large capacity unit, with 24KW of heating power, this unit is ideal for up to 3 baths in warm climates, and 1.5 to 2 bathrooms in cold/moderate climates.

  • What are the actual gallons per minute on this unit?

    7 to 10 GPM contingent upon your water pressure (PSI).

  • What type of plug does it use? Standard outlet or the kind you see on a dryer?

    No plug. Hard wired with 3 breakers.