What Size Breaker For 60 Gallon Electric Water Heater

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What size breaker for 60 gallon electric water heater.

We currently utilize a 60 gallon electric tank heater that seems adequate to our needs. In the above example we would require a 15 6 amp circuit breaker for our us readers. Using a common 20 safety factor my calculations call for 65 amp breaker sized then to 70. The breaker of the rated size will must trip if the water heater all of a sudden wants to draw more current than the amount it is rated for and the only reason the water heater would draw such excessive current is a malfunction that could be a fire hazard.

Smith 50 gallon proline power vent water heater available from supplyhouse has an fhr of 90 gallons so it will provide up to 90 gallons of hot water in an hour. What wire size is needed for 60 gallon hot. I live in canada my high gpm demand would be around 7 8gpm inlet water temp around 37f in coldest months would it be viable for me to install an electric tankless heater. First lets start with the nec code for this water heater application.

A 1500 watt heater on a 120 volt circuit thus needs a breaker of 15 6 amps. I agree with you that this water heater circuit is not a typical configuration and the common circuit for a new home is 10 copper wire protected by a 2pole 30amp circuit breaker however lets look at this application carefully. Specs call out a maximum of a 54 amp draw. Multiply the value for current by 125 percent to determine the size of the breaker you need for the heater.

What size breaker is needed for a 220 v hot water heater. Multiply the current rating of the water heater with 125 now in order to choose an electric breaker multiply the current draw of the water heater with 125 per cent in order to determine the size of the breaker you will need. The wattage of the water tank is needed to size the breaker and the wire to feed the tank. Water heaters parts.

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