WebApr 1, 2024 · To find the breaker size: multiply 1.25 or 125 % by the rated amp of your device, which, in this case, is 31.7 amps. CB Size = 125% x 31.7 = 39.62 Amps Finally, get the closest breaker size based on the final answer (39.62 amps), so for a safe maximum continuous load on our sample heating element, the breaker you should buy is 40-amps. WebJun 28, 2024 · When choosing a breaker, aim for a size closest to 31 amps. A 35A breaker is an obvious solution. Consequently, a 35A breaker is needed for a 25A water heater. …
How Many Amp Breaker for Water Heater - Heaterview
WebTo determine what size circuit breaker is needed for your home’s water heater, you will have to calculate the maximum electrical current and adjust it to account for how much of the water heater’s electrical ratings it should be able to handle. For starters, the average 4,500-watt, 240-volt electric water heater will need a 25 to 30-amp ... WebAug 23, 2024 · What is the ideal size breaker needed for a Rheem tankless water heater? Your Rheem tankless water heater requires a 40 AMP breaker, including the dimensions of 10″ x 7″ (high & wide). It should be 3–4″ deep. It also requires 120 AMPs to run on average. What happens if I ignore or go unnoticed when my breakers trip? charles schoenfeld dallas tx
What Size Breaker Do I Need For My Water Heater? - homedude
WebApr 2, 2024 · 25-amps = 10-gauge wire. 30/40-amps = 8-gauge wire. Other large heaters up to 50-amps = 6-gauge wire. Also, consider … WebThe type of circuit breaker used for a water heater will depend on the wattage of the heater and the size of the circuit breaker box. For most residential water heaters, a double … WebFor a 25-amp hot water heater, you would need a 10-gauge wire. Something in the 30- to 40-amp range would require an 8-gauge wire. When you make your wire size determination, go up to the next size. So, the 20-amp hot water heater would use a 10-gauge wire instead of the 12-gauge. Continue down the line, going up to the next size on the list. harry stillwell edwards