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How do I know if my furnace gas valve is bad?

How do I know if my furnace gas valve is bad?

If 24 volts is coming from the board to the gas valve terminals and you don’t hear that little clicking noise the internal valve makes, you could have a bad gas valve. To double-check, take the leads off to the gas valve and check there.

What causes a furnace gas valve to go bad?

The valve itself may have simply worn out or may be damaged due to basement seepage or submersion. Alternately, one of the electronic gas ignition components or a glitch in the safety circuit may be to blame. If your furnace has a standing pilot light, the thermocouple could be worn out.

How much does it cost to replace a gas valve on a furnace?

$350 – $595, Installed Replacement of your furnace gas valve cost between $350 to $595 installed by an HVAC company near you. DIY gas valve replacement cost around $65 buying the part online and replacing it yourself.

Can a furnace gas valve be repaired?

In some instances you can repair a gas valve on a furnace depending on what is causing it to not work properly. However, repairing your gas valve is not usually the most cost effective option since it can be just as expensive to have your gas valve repaired as it would be to have your entire gas valve replaced.

How long should a gas valve last?

Gas Valves are routinely checked for 100,000 cycles and are used in equipment that have approximately 15 years life expectancy.

How do you reset the gas valve on a furnace?

Follow these steps to reset your gas furnace:

  1. Turn the circuit breaker off and switch the furnace power button off too.
  2. Access the pilot light by removing the access panel.
  3. Turn the gas control valve off and let the gas dissipate for five minutes before turning it back on in order to prevent a fire hazard.

How long do furnace gas valves last?

While some furnaces can last over 40 years (extremely rare), the average lifespan of a typical gas furnace is around 15-30 years.

How much does it cost to get a gas valve replaced?

Universal gas valves are cheaper than brand name valves. With all this in mind, the price for a replacement job on a gas valve ranges from $195 to $870.

How do you test a gas valve on a furnace?

How to Check the Furnace Gas Valve With a Multimeter

  1. Turn off the furnace at the wall control.
  2. Take out the bolts in the service panel on the side of the furnace using a nut driver.
  3. Pull the wires off the gas valve terminals.
  4. Turn the test control on the multimeter to “mV,” which stands for millivolt.

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