Adjust Temperature | Water Heater Pros | Sacramento, Ca

Adjust Hot Water Temperature

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Gas Tank-Type Water Heaters
Temperature Adjustment

  • Recommended summer temperature setting 125º

  • Recommended winter temperature setting 130º

Gas Water Heater Temperature Adjustment

Ground water temperatures in the Sacramento California region in the summer months average around 70º and in the winter months an average of 40º, we recommend the following settings to compensate for the ground water fluctuation. Not all temperature reading are the same at the gas water heater control valves as shown, we recommend using a temperature gauge and marker to mark your exact settings on the gas thermostat control valve, you do not need to turn off the gas to make these temperature changes.

  • Consult your water heater owner's manual for instructions on how to operate the thermostat.

  • You can find a thermostat dial for a gas storage water heater near the bottom of the tank.

Step By Step Instructions

1) Find the current temperature.

Measure the beginning temperature of your hot water using a thermometer at the tap farthest from the water heater. Thermostat dials are often inaccurate.

 

2) Mark the setting, then turn down the thermostat.

Mark the beginning temperature on your water heater thermostat with a marker, and then turn the thermostat down.

 

3) Measure and adjust.

Wait a couple of hours, and then measure the water temperature again at the farthest tap from the water heater. Several adjustments may be necessary before you get the temperature you desire.

 

4) Mark the new temperature.

If you are satisfied with the temperature, mark the new temperature on the water heater thermostat with a marker, so that you can make adjustments in the future if necessary.

 

5) Turn down or off when away.

If you plan to be away from home for at least 3 days, turn the thermostat down to the lowest setting or completely turn off the water heater. To turn off an electric water heater, switch off the circuit breaker to it. For a gas water heater, make sure you know how to safely relight the pilot light before turning it off.

Electric Water Heaters
Temperature Adjustment

STEP 1

Turn off main electric breaker

Some panel boxes are marked incorrectly,

we recommend turning off the main breaker

STEP 2

STEP 3

Home Water Heater Thermostat Temperature
Electric Water Heater Temperature Adjustment

Ground water temperatures in the Sacramento California region in the summer months average around 70º and in the winter months an average of 40º, we recommend the following settings to compensate for the ground water fluctuation. Follow step 1 - 2 & 3 as shown above. Not all temperature reading are the same at the electric water heater thermostat (step 3), we recommend using a temperature gauge and marker to mark your exact settings on the upper and/or lower thermostat.

  • Be safe, 240 volts at thermostat, shut off the electricity to the water heater before removing the panel.

  • Consult your water heater owner's manual for instructions on how to operate the thermostat.

  • Electric water heaters, on the other hand, will have a thermostat positioned behind a screw-on panel.

  • Keep in mind that an electric water heater may have two thermostats—one each for the upper and lower heating elements and located on the the water heater in two separate panel covers.

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