Water Heater Breaker Size Chart. That is a water. Water heater circuit breaker size.
Choose the right tankless electric water heater for you. Unless the water heater nameplate says differently the heater draws 1625 Amps 208 Volts. One of the most frequent questions I received and also found in.
To determine the size of the circuit breaker you will need for your heater you will need to multiply the value of your current by 125.
40-gal240vdual 4500w 1875A connected to the circuit breaker panel Double Pole-40A breaker with a 1220Amp cable. Sizing is the technique that matches the capacity of the hot water source to the needs of the homeowners. To work out the recommended breaker size lets refer to the excerpt from. You have an oversize whirlpool bath or other large tub.