ELECTRICAL REQUIREMENTS FOR AN ECOSMART ELECTRIC TANKLESS WATER HEATER:

Before purchasing an EcoSmart electric tankless water heater, please make sure that your home has sufficient electrical capacity for your desired model, or that you have taken note of any upgrades that may be required. In order to ensure your safety and qualification for the limited lifetime warranty, a licensed professional must install your system.

Please refer to the chart below for electrical requirements:

Model Recommended Breaker Maximum Amperage @240V Recommended Household Electric Service Recommended Minimum Wire Gauge
ECO 36 4 x 40 Amps DP 150 Amps 300 Amps 4x #8 AWG
ECO 27 3 x 40 Amps DP 112.5 Amps 200 Amps  3x #8 AWG
ECO 24 3 x 40 Amps DP  100 Amps 200 Amps  3x #8 AWG
ECO 18 2 x 40 Amps DP  75 Amps 150 Amps  2x #8 AWG
ECO 11 1 x 60 Amps DP  57 Amps 125 Amps  1x #6 AWG
ECO 8 1 x 40 Amps DP  33 Amps 100 Amps  1x #8 AWG
POU 6 1 x 30 Amps  29 Amps 100 Amps 1x #10 AWG
POU 3.5 1 x 30 Amps  29 Amps 100 Amps 1x #10 AWG

 

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