Check Gas Water Heater Thermostat

It can be replaced.

Check gas water heater thermostat.

Use the water heater tester to check terminals 1 and 2 the lower set. Your meter should read 240 volts. Move to the thermostat terminals and check if it is supplied with power. 3 start safe by turning the power off.

Second before you blame your water heater check the gas water heater tank size. Check your heater s power connecting point. If the power supply is okay then manage a series lamp or multimeter. You will have colored wires surrounding the thermostat separate them to reach it.

4 detach the covers. Place the prongs of the multimeter on the terminal 1 and. Next comes the insulation on the thermostat and the heating element wiring. Check for power to your water heater.

Instead the thermostat is marked with temperatures or heating ranges. How to test an electric hot water heater thermostat step 1. The test procedure is the same for natural gas oil and propane furnace. Allow the water heater to sit for a minimum of one hour without using it and then turn on the faucet closest to the water heater.

Next turn up the temperature of the upper. Pull away any insulation that is. Remove the upper and the lower access panels with a phillips screwdriver. The lower thermostat needs to be turned to its highest setting.

1 how to test water heater thermostat using simple tools available at home. Remove both and use the voltmeter to check for any live points along the inside of the panel to make sure that the heater is grounded. If not check your electrical panel. This should insure that lower thermostat is allowed to engage.

You may insert the power pluck and hold a tester at the heater s connecting point to check if the power is available. Place the leads from your multi meter across the terminals at the top of the thermostat pictured above. 2 the tools you ll need. To accurately find the hot water heater temperature you will need a cup and a cooking thermometer.

Turn the water heater circuit breaker off inside the main service panel. To check the lower thermostat you need the upper thermostat turned off. If the connection point does not get electricity then change the power cable and start your heater. The water heater gas valve has your thermostat built into it.

A bigger issue with the thermostat is setting it at the right temperature. If it is you will have a reading of 240v on. The access panels are on the side of.