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.
Water heater temperature control a b c.
Here is what temperature each letter stands for.
For the b knob the temperature which has been determined is 140 degrees.
The last c knob setting stands for 150 degrees.
Most hot water heaters have a a b c knob.
Most hot water heaters have a a b c knob.
Check you water heater temperature setting.
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.
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 dial a b c.
After programming is com plete the time dial functions only as an on off switch.
The recommended temperature setting is between 115 degrees and 120 degrees.
For the a knob the temperature is 130 degrees.
The recommended temperature setting is between 115 degrees and 120 degrees.
120 degrees is sometimes labeled hot or with a little triangle icon.
In common the a b c knob has different temperature settings.
The a b c knob on a residential gas water heater usually equals 130 140 150 degrees if properly calibrated.
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.