How To Test Gas Water Heater Thermostat

Check the power supply of the thermostat.

How to test gas water heater thermostat. Place the lead of your multi meter on the incoming power side of the thermostat terminal of the lower element and the other lead on the opposite water heater element terminal. It s the easiest method to test your thermostat for the first scenario. The access panels are on the side of. Testing water heater thermostats is important in locating water heater problems.

This video demonstrates how to test a thermostat on a water heater. In general there are three main components in an electric water heater. When it goes bad you don t have any hot water at all. The ears of the new one should snap into place.

A bigger issue with the thermostat is setting it at the right temperature. How to test an electric hot water heater thermostat step 1. If the thermostat has not defected then the bulb will light. This article deals with thermostats on electric water heaters.

If it is you will have a reading of 240v on. Disable the lower thermostat by rotating its dial to the least setting. Otherways the bulb won t light. The thermostat is a commonly replaced part fo.

If you get the reading of 240v on terminal 1 and. The upper thermostat controls both the upper and lower element. Second before you blame your water heater check the gas water heater tank size. Move to the thermostat terminals and check if it is supplied with power.

Next turn up the temperature of the upper. For thermostats on gas hot water heaters you will need to see the article gas. How to test water heater thermostat diy working of a thermostat. If not then you need to replace the lower thermostat.

Pull away any insulation that is. The water heater gas valve has your thermostat built into it. Place the prongs of the multimeter on the terminal 1 and. It can be replaced.

Set the multimeter at the lowest ohm point. One is the heating. Hold the a and b points of the series lamp with the heater s pluck. Give it a light shake to make sure it s in place.

Replacing the faulty. Place the new one in on the same position where the older one was. Turn the water heater circuit breaker off inside the main service panel. Water heater isn t heating or heats poorly.

Remove the upper and the lower access panels with a phillips screwdriver.