Breaker Size For 50 Gallon Water Heater

In the above example we would require a 15 6 amp circuit breaker for our us readers.

Breaker size for 50 gallon water heater.

For example the a. Current uef 9 40 unkct 40 gallon tall ultra low nox natural gas water heater 9 year warranty. Multiply the value for current by 125 percent to determine the size of the breaker you need for the heater. We are thinking of putting in a larger water heater and i just want to know if the current electrical line and breaker are sufficient or if i need to run a higher gauge wire.

For example a 20 amp hot water heater needs 12 gauge wire a 25 amp hot water heater requires 10 gauge wire and a 30 to 40 amp hot water heater requires 8 gauge wire. They will trip a 20 amp breaker and if a 30 is installed using existing wire it ll eventually burn up the wire and likely start a fire. 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. A 1500 watt heater on a 120 volt circuit thus needs a breaker of 15 6 amps.

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. Current uef 9 50 unkct 50 gallon tall ultra low nox natural gas water. Years ago it was not uncommon to have a 3000 or 4000 watt water heater fed with 12 s and a 20 amp breaker. What size breaker and size electrical line do i need.

12 40 unact 40 gallon tall ultra low nox natural gas water heater 12 year warranty. Wire a hot water heater with wire that s sized to accommodate the heater s current requirement. Current uef 12 50 unact 50 gallon tall ultra low nox natural gas water heater 12 year warranty. Some large heaters draw up to 50 amps requiring 6 gauge wire.