Test Furnace Gas Valve

Sweep out any hair lint and foreign debris with a feather duster.

Test furnace gas valve.

Wait for the unit to cool if it has been in use. Take out the bolts in the service panel on the side of the furnace using a nut driver. Have an assistant plug in the appliance and turn on the gas feed valve. This video is part of the heating and cooling series of training videos made to accompany my web.

Locate the gas valve mechanism which looks like a small metal device that has two coils attached to it. Locate the gas valve. I will be checking various gas valves to see if you can check the continuity of the solenoid with an ohmmeter. How to check the furnace gas valve with a multimeter step 1.

Turn off the furnace at the wall control. This one covers a simple way to find out if the gas valve is being energized on the newer gas furnaces. This one shows how to do a voltmeter check of the gas valve. Some gas valves cannot be checked with an ohmm.