Readers ask: How To Fix A Water Heater Pilot Light?

What causes a pilot light to go out on a water heater?

Some of the most common reasons that water heater pilot lights go out include: A faulty thermocouple. Over time, thermocouples can begin to malfunction and shut off the gas supply to the pilot light even if it’s burning properly. A bent or dirty thermocouple.

What do I do if my pilot light won’t light?

How to Fix Your Pilot Light

  1. Find your gas valve.
  2. You need to turn the valve to the off position for at least three minutes.
  3. Once you have had the valve at off for a few minutes, switch it over to pilot setting.
  4. You will need a match that is lit.
  5. Set the pilot valve to the on position.

Why is my water heater pilot not working?

The water heater pilot light is a small flame that ignites the gas burner on your water heater. If the pilot doesn’t relight, if it goes out right after lighting or if it goes out repeatedly, by far the most common cause is a bad thermocouple.

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How much does it cost to replace a thermocouple on a water heater?

Thermocouple – $20 to $150 The thermocouple is an apparatus that senses whether the pilot light is lit and triggers the gas control valve. Repairs typically cost about $150 to have it done professionally, though a new thermocouple itself only costs about $20 on average.

Should pilot light always be on water heater?

The pilot should be on the water heating the house. The pilot flame can be difficult to see through a window. To know if the pilot is on or off, you need to remove the access door and shield and look at the burner and pilot through it.

Can I relight the pilot light by myself?

If your pilot light goes out, your furnace will not be able to produce heat because its burners will not ignite. Often, homeowners can relight the pilot themselves.

Can I manually light my gas water heater?

Lighting the Pilot Light on a Manual Hot Water Heater If your hot water heater is a manual, grab a long lighter. Turn the pilot dial to the off position and wait 5-10 minutes for any gas to dissipate. Then, turn the pilot dial until it says the word pilot. After that, set your temperate knob to low.

How do you know if you have a bad thermocouple?

If you can’t get the flame to light at all, and you’re sure the gas is on, there’s probably an obstruction in the pilot tube. If the flame lights and goes out when you release the gas control knob after holding it in for the recommended 20 to 30 seconds, that’s the sign of a thermocouple malfunction.

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How long should a water heater last?

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

What does it mean when your hot water heater won’t stay lit?

Thermocouple. If your gas water heater doesn’t stay lit, you may have a defective thermocouple. Most gas fired water heaters use a standing pilot to ignite the main burner. Changing the thermocouple does not involve any gas fittings but local regulations may require that a qualified gas technician perform the repair.

How long do thermocouples last?

All things considered, the question remains, “How long should my thermocouple last?” The answer to that question is that it depends on the application. In an ideal environment, that length of time can be indefinite.

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