Testing Furnace Gas Valve

Turn on the furnace and start it.

Testing furnace gas valve.

Lastly a low voltage can be the problem for its failure to open. This video is part of the heating and cooling series. If playback doesn t begin shortly try restarting your device. Locate the gas valve.

Take out the bolts in the service panel on the side of the furnace using a nut driver. Locate the pressure tap on the gas valve and unscrew the plug. Locate the front lower access panel to the appliance. This one covers a simple way to find out if the gas valve is being energized on the newer gas furnaces.

Unplug the appliance from the wall outlet. Wait for the unit to cool if it has been in use. Some gas valves will have a pressure tap on both sides while some only have one on the furnace manifold side. Videos you watch may be added to the tv s watch history and influence tv recommendations.

Turn off the gas feed line valve to the dryer. Set the thermostat or the device s controller slightly above the current room temperature. The ratings listed must align with the pressure rating shown on the valve. If this doesn t work read the nameplate mopd rating.

This valve is usually found in the wall line leading to the dryer and is shut off by turning the handle perpendicular to the gas line. Turn off the gas supply valve to your appliance to test whether your valve is capable of shutting down properly. There should not be a flame up there if the valve is working correctly. How to check the furnace gas valve with a multimeter step 1.

Turn the gas back on. Then screw in your manometer. Disassemble the valve and clean it out with a brush or rag. Great video troubleshooting this goodman furnace gas valve.

Screw back in the gas valve plug using a small amount of pipe dope. A simple measurement will tell you if your valve is bad or another part keeping voltage from the. The manometer will give the reading in water column in inches. Pull the wires off.

A solenoid valve that is filled with drudge might fail to open.