Gas Hot Water Heater Thermostat Test

This article deals with thermostats on electric water heaters.

Gas hot water heater thermostat test.

When an upper heating element or thermostat fails the entire water heater stops producing hot water. Turn the upper thermostat to it s highest temperature and if checking a dual element heater the lower thermostat to it s lowest setting. Step 1 turn the circuit breaker off to the hvac system. The upper thermostat is the primary one that contains the high limit switch and the lower thermostat is used to detect the change in the temperature of the water.

Step 2 use a flathead screwdriver to remove the thermostat cover plate. Although most of the cases this scenario occurs for the power supply problems. Set your store to see local availability add to cart. So at first make sure your power cord is okay.

How to test and replace a water heater thermostat. As soon as you complete this task you can fix it. Other than this the thermostat controls the current flowing from one thermostat to another thermostat or from the thermostat to the heater. When it goes bad you don t have any hot water at all.

Alternatively water is not heating at all. Best seller rheem performance 40 gal. Check your heater s power. When a lower heating element or thermostat fails the top thermostat and element will continue to heat water in the upper half of the tank but you will notice the hot water quickly runs out or is only lukewarm.

You know when your shower spits ice cubes instead of hot water that it s time to replace the thermostat for your water heater. If you turn the hot water tap and cold water runs out then the upper thermostat is damaged. Buy 3 or more 412 66. An electric hot water heater has two thermostats controlling two separate heating elements one in the upper half of the tank one in the lower half.

I think we can all agree that waking up to take a shower in the middle of winter only to find out that all the water is cold is not the best thing to happen to anyone. When checking the thermostat in a single element water heater or the upper thermostat in a dual element water heater the process is the same. There will be a slot to place the blade of the screwdriver between the faceplate and the main body of the thermostat. For thermostats on gas hot water heaters you will need to see the article gas water heater thermostats for more information.

Water heater is not getting power. If you do not have a volt ohm meter you need to know how to bypass a thermostat to test it. But if the water is hot that becomes later becomes cold then you have a damaged lower thermostat. How to test water heater thermostat this case might happen for the defected thermostat.

Tall 6 year 36 000 btu natural gas tank water heater model xg40t06ec36u1 439 00 439 00. Not sure if this is your problem.