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What size breaker do you need for a hot water heater 2024?

Harper Collins | 2023-04-17 11:09:11 | page views：1360
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Emma Harris

Studied at Yale University, Lives in New Haven, CT
A water heater of this type is required to be considered a continuous load meaning that the branch circuit needs to be calculated at 125% of the heater's rated ampacity. 4500/240 = 18.75 amps, will work on a 20 amp OCPD but, 18.75*125% = 23.4 amps, requires a 25 or 30 amp circuit.
2023-04-22 11:09:11
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Benjamin Taylor

QuesHub.com delivers expert answers and knowledge to you.
A water heater of this type is required to be considered a continuous load meaning that the branch circuit needs to be calculated at 125% of the heater's rated ampacity. 4500/240 = 18.75 amps, will work on a 20 amp OCPD but, 18.75*125% = 23.4 amps, requires a 25 or 30 amp circuit.
20 amp breaker for water heater - InterNACHI Inspection Forum
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