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Quick Answer: How To Replace Gas Valve On Water Heater

How do I know if my gas valve is bad on my water heater?

If the burner stays on, turn the gas supply off and replace the gas valve. If the pilot is lit, you have a tank of cold water, the thermostat turned up and the burner does not fire up, either the burner orifice is clogged or the water heater gas valve is bad.

How much does it cost to replace a water heater valve?

A replacement valve costs around $20 and calling in a professional could bring your cost up to $200. This isn’t a steep cost to ensure proper diagnosis and installation. The pressure relief valve is there as a safety measure in case the pressure inside the tank gets too high.

Can I replace my own gas valve?

By watching how someone else does it, you can ensure that you don’t make any mistakes when changing the valve. There you have it, a DIY guide to replacing your furnace’s gas valve yourself. Most of the time the replacement process tends to be fairly straight forward.

How do you know if a 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. Got 24 volts? Then something downstream of that 24 volts is not working.

Are water heater gas valves interchangeable?

Natural and propane water heater gas valves are not interchangeable, so, be sure to order a valve for your type of gas. Contact the manufacturer of the water heater.

Where is the gas valve on a hot water heater?

As part of the manifold/burner assembly, the gas valve is an important component of a hot water tank. It’s usually located toward the bottom of the tank, and has several other components attached to it, including the manifold tube, pilot tube, and temperature probe.

How much does it cost to replace a gas valve?

Furnace gas valve prices are $75 to $300 for the part alone or up to $600 for original manufacturer parts (OEM). Gas valve replacement labor costs $125 to $500.Furnace gas valve replacement cost. National average cost $500 Minimum cost $125 Maximum cost $1,000 Average cost range $200 to $800.

How do you test a gas valve on a hot water heater?

Make sure the dial on the water heater gas valve is set to off. Turn the shut off valve on the gas line to the on position (parallel with the gas line). Use soapy water to check for leaks. Never use a lighter or any kind of flame to check for gas leaks.

How much is Lowes water heater installation?

The basic water heater installation cost at Lowe’s is $325. Plus, an estimated fee of $40 is usually added on top of this basic installation cost. Typically, additional piping will be required to complete the installation, so allocate some funds for this expense.

How long does it take to replace gas valve?

Replacing a valve is usually a straightforward job. It becomes more time consuming as furnace access gets more difficult. Up to 1 hour | Most gas valve replacements. 1 to 2.5 hours | Valve replacements in attics, crawlspaces and similar.

What causes gas valve failure?

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 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.

Do water heater gas valves go bad?

Gas control valves do not fail often, but it can happen in rare instances. The thermocouple is a more likely culprit, and can be replaced without much expense. Even though the limiter can be replaced, it probably indicates a failure in the thermostat or gas control valve as well.

What happens if gas valve goes bad?

If the gas valve is stuck or otherwise malfunctioning, your furnace may shut down completely or just stop delivering warm air. There are other issues that may cause the same symptom, so you need an experienced technician to diagnose the problem and apply the proper repair.

Does it matter which way you install a gas valve?

VALVE ORIENTATION: Ball valves may be installed in vertical or horizontal pipe runs, they are bi-directional therefore flow direction is not critical, however the best practice is to set up the valve handle to point in the direction of flow whenever possible.

Where should a gas shut off valve be located?

The gas meter and gas service shutoff valve is usually located on the side or in front of the building. If the building has a breezeway, it could be located there.

How much is a gas control valve for a water heater?

Cost of Parts A new water heater gas valve costs between $100 and $250. It’s wise to purchase the part yourself, as this may be cheaper than buying from a pro.