Test Furnace Gas Valve

Pull the wires off.
Test furnace gas valve. Locate the gas valve. This video is part of the heating and cooling series of training videos made to accompany my web. 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.
How to check the furnace gas valve with a multimeter step 1. Some gas valves cannot be checked with an ohmm. Sweep out any hair lint and foreign debris with a feather duster. This one shows how to do a voltmeter check of the gas valve.
Have an assistant plug in the appliance and turn on the gas feed valve. Have the assistant set the dryer for high heat and turn the dryer on. Turn off the furnace at the wall control. I will be checking various gas valves to see if you can check the continuity of the solenoid with an ohmmeter.