Is 150 amp service enough for tankless water heater?
Is 150 amp service enough for tankless water heater?
Typically the tankless heaters do not perform well on services less than 200A, and in many cases require upgrade to a 320A.Feb 1, 2010
How many amps do I need for a tankless water heater?
Tankless Heater Size (in kW) Electrical Current (in Amps)
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28 kW 117 amps
29 kW 121 amps
30 kW 125 amps
Why do tankless water heaters need 3 breakers?
The reason being is that in most homes the existing electrical system will not support a tankless water heater that is the right size for the home. ... That type of heater up until now would require the addition of 3 circuit breakers to the interior panel and pulling three new circuits.Feb 14, 2020
How many breakers does an electric tankless water heater need?
Typical tankless requires 40-50 amp breaker for each wire. Each wire supplies 1 element. This example requires 3 breakers rated 40-50 amp = 120+ total amps. 150 amps main breaker: 150 amps x 80% = 120 amps safe maximum so there is no electricity left for other appliances.
What size breaker should a hot water heater be on?