You can do this by locating your circuit breaker and turning off the power in.
Water heater thermostat setting.
Remove the insulation inside the tank.
Gas or electric water heaters start by turning off power to the water heater at the circuit breaker.
Water heaters are factory set at osha recommended levels around 140 degrees.
Your water heater is likely set by the factory to that temperature.
Then the upper element starts to work but will only heat the water to the thermostat s setting then it transfers to the bottom one to finish heating the water in the tank.
Inhaling water vapor contaminated with legionellosis bacteria causes pneumonia like symptoms that.
Use a flathead screwdriver to adjust the thermostat up or down.
Test your water temperature.
If the upper one is set at 90 degrees for all practical purposes you would never notice it working because even 90 degree water would feel cold.
Turn off the circuit breaker to the water heater.
Find the access panel for the thermostat s and use a screwdriver to remove the panel.
See the article on hot water heater temperature settings for information on the correct settings and why setting it too high can be dangerous.
For instance the water heater settings abc is the most common setting which you can check on your water heater.
How to set the upper and lower thermostats on dual element water heaters 1.
Peel back the insulation.
Usually these are under a control panel.
Recommended temperature settings for hot water heaters legionnaires disease.
The exact location is different with each.
If your water heater.
Here s how to adjust the temperature on your electric hot water heater thermostat.
Remove the access cover panels located on the side of the tank.
On the other hand the epa suggests turning the thermostat down to 120 to reduce power consumption and a booster heater to reach sanitizing temperatures at select outlets.
Do not remove the.
Most manufacturers recommend a temperature setting of 120 degrees.
Based on the department of energy in us the best temperature setting which you should choose is at 120 degrees.
A rheem water heater leaves the factory with the temperature preset at 120 degrees fahrenheit but you can adjust the temperature on the thermostat anywhere from 90 degrees fahrenheit up to 150.
Here this temperature level is the choice which has minimal chance for a danger.
I m guessing that setting your top thermostat to a 150 would give you small amount of really hot water rather quickly while setting the upper and lower thermostats evenly to a moderate temperature 115 125 would be your quickest way to get a full tank of hot water.
Turn off the power to your water heater.