Furnace Gas Valve Clicking On And Off

If a gas furnace runs and then shuts off or short cycles this indicates an inconsistent flow of gas.

Furnace gas valve clicking on and off.

This could indicate a dangerous gas leak or clogged gas valve. Some causes of a shut gas valve include. Just as a gas stove clicks as it fires up your furnace makes a clicking noise too. All of the above are issues a furnace technician needs to fix.

So if the gas valve is shut the spark igniter has nothing to ignite and just keeps sparking. The bearings in the furnace s motor will click when they become worn. One time during the dark view it goes out and the pilot flame doesn t re appear. Gas valve isn t energized no gas no ignition.

Clicking from gas furnaces often indicates a problem with the gas valve or ignitor and you certainly don t want a gas leak. This might be caused by faulty gas meter controls or the thermostat controls. If the clicking sound doesn t seem to have a pattern it could indicate an issue with the gas valve. An electrician should test the voltage at the gas meter thermostat controls and the gas.

If the clicking noise persists or your furnace is still giving you no heat we can help. Here s what we look for when a furnace makes a clicking sound at the main unit. Gas valve a broken jammed or clogged valve may fail to let out gas. The ignitor will keep clicking as it tries to spark a flame.

Irregular clicking sounds coming from the gas valve could also be a sign of insufficient voltage. Flame sensor or thermocouple this part senses the presence of a flame and tells the gas valve to open. When this happens the ignitor clicks and clicks endlessly like someone trying to use an empty lighter. The gas valve is clicking on and off while system is asking for heat.

Every time the gas valve clicks the pilot has gone out. Leaving the issue unaddressed will cause the motor will burn out. The answered by a verified hvac technician we use cookies to give you the best possible experience on our website. Bad connection between the board and the valve.

The fix is a home meter replacement a repair that must be completed by a professional from your gas company as required by law. If it continues for a minute or longer the igniter needs cleaning or repair. In the final bright view the pilot never goes out and the flame never goes out. You can always see the pilot lit when tit tries to start but when the gas valve goes out the pilot has been blown out.