What Size Circuit Breaker For Water Heater?

You may not need to choose what size circuit breaker for the water heater you need when installing it, but there are a few things to consider that will affect this decision. You should be sure that you understand the rating of the water supply that the appliance will draw before buying a circuit breaker for the water heater and make sure that your existing water heater has a rating that is adequate for the appliance that you are replacing. In addition, if you are replacing an already-installed circuit breaker you should check with the appliance manufacturer to find out what their recommended maximum current limit is. Finally, before installing what size circuit breaker for the water heater, check with your local building codes to ensure that the new appliance will be able to be installed in the space where it will be placed.