FAQ: How To Replace A Gas Valve On A 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 gas valve on a water heater?

Water heater gas control valve replacement cost Replacing a water heater gas control valve costs $150 to $600. The valve controls the flow of gas to the unit, allowing the pilot light to ignite and releasing gas to the burner to heat the water in the tank.

Do you have to drain water heater to change gas valve?

However, knowing where to start with replacing the gas valve can be a challenge. Removing and replacing a gas valve requires you to completely drain the water heater, turn off the gas control valve, turn off the gas and water supply.

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What causes a 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.

Can you fix a gas valve?

If something is wrong with the internal components of the gas valve, it should be replaced. The gas valve cannot be repaired in the field. Only the gas valve manufacturer or someone certified by the gas valve manufacturer can make these repairs.

Can you repair a gas valve?

The gas valve cannot be repaired in the field. Only the gas valve manufacturer or someone certified by the manufacturer of the gas valve can make repairs. Then re-certifying the safety of the gas valve.

Can you change your own gas valve?

Once the gas valve is loose enough, you can then manually remove it from the system. If for any reason you can’t seem to get the valve loose, don’t attempt to pull it or put too much pressure on it. If you can’t get it loose yourself, it’s probably best to call a contractor in to help you.

How long does it take to replace gas valve on water heater?

Most plumbers will charge between $100 and $200 to replace the gas valve on a water heater, plus the cost of the part. The whole job takes about one hour, so the plumber’s hourly rate will dictate what you pay. Your plumber may also charge a trip fee of around $50 to $75.

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How long should a gas water heater last?

Typically a residential hot water heater lasts between 6 and 13 years. Beyond 12 years, you are on borrowed time!

What is the most common problem with water heaters?

A water tank that produces too little hot water is one of the many common water heater problems you may encounter. Usually this can be solved by turning up the temperature on the tank’s thermostat. Be careful, however, not to turn the temperature up too high, as this can be a scalding hazard. No hot water.

Can you repair a hot water heater?

A water heater can certainly be repaired, generally depending on what is going on when a plumber is called out for water heater repair. As per the common problems listed above, the general consensus for these tends to be a parts replacement, a reset of the system, or a flush of your water heater.

Where is the gas valve on a water heater?

A) located just before the gas meter. This valve, often called the street-side valve, is normally a rectangular nub (Photo 1). When the long side of the nub or handle is parallel to the incoming gas line, it’s open and the gas is flowing.

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