Test Furnace Gas Valve

Take out the bolts in the service panel on the side of the furnace using a nut driver. Sweep out any hair lint and foreign debris with a feather duster. Turn off the furnace at the wall control.

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Locate the gas valve mechanism which looks like a small metal device that has two coils attached to it.

Test furnace gas valve.

How to check the furnace gas valve with a multimeter step 1. This video is part of the heating and cooling series. Have an assistant plug in the appliance and turn on the gas feed valve. This one covers a simple way to find out if the gas valve is being energized on the newer gas furnaces.

Pull the wires off. Locate the gas valve. This one shows how to do a voltmeter check of the gas valve. Wait for the unit to cool if it has been in use.

I will be checking various gas valves to see if you can check the continuity of the solenoid with an ohmmeter. Some gas valves cannot be checked with an ohmm. Have the assistant set the dryer for high heat and turn the dryer on. This video is part of the heating and cooling series of training videos made to accompany my web.

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