Water Heater Temperature Control A B C

On your hot water heater there will be a knob on the gas valve or a thermostat if electric behind an electric water heater panel.

Water heater temperature control a b c.

Here is what temperature each letter stands for. Most hot water heaters have a a b c knob. Check you water heater temperature setting. The time dial does not rotate automatically to function as a clock reflecting the time of day.

The a b c knob on a residential gas water heater usually equals 130 140 150 degrees if properly calibrated. If your water heater is now set to 140 f note that you can save 3 to 5 of the energy consumption for each 10 f you lower the temperature. 120 degrees is sometimes labeled hot or with a little triangle icon. Use the labels as a starting point but measure the actual temperature at the closest hot water faucet if you want to be most precise.

Other temperature settings hot and very hot each stands for 120 degrees and 160 degrees. The last c knob setting stands for 150 degrees. On your hot water heater there will be a knob on the gas valve or a thermostat if electric behind an electric water heater panel. In common the a b c knob has different temperature settings.

On my water heater i get 120 f water with a setting of b when the temperature at the tap is 120 f the temperature in the tank will be about 130 f which is enough to prevent bacterial growth. For the b knob the temperature which has been determined is 140 degrees. The recommended temperature setting is between 115 degrees and 120 degrees. After programming is com plete the time dial functions only as an on off switch.

Water heater dial a b c.