How to troubleshoot pilot light in gas water heater?

Aaliyah Swaniawski asked a question: How to troubleshoot pilot light in gas water heater?
Asked By: Aaliyah Swaniawski
Date created: Mon, Jun 28, 2021 7:45 AM

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Top best answers to the question «How to troubleshoot pilot light in gas water heater»

  • When troubleshooting lighting problems, it is recommended to test it first. Turn the gas OFF to the water heater and press the piezo igniter. Once pressed, the electrode should release the spark. Check if the wire connection is tightened correctly. Make sure the electrode is not broken, and replace it if it is.

FAQ

Those who are looking for an answer to the question «How to troubleshoot pilot light in gas water heater?» often ask the following questions:

⛽ Gas water heater pilot light?

So, the pilot light keeps the thermocouple warm, which keeps the gas flowing. If the pilot light goes out, it doesn’t warm the thermocouple, which then shuts to prevent unused gas from building up. But, if the thermocouple is dirty or worn out, it may not respond to the heat and then shut off the gas. With no fuel, the pilot light goes out.

⛽ Gas water heater pilot wont light?

A bad thermocouple will shut off gas to both the pilot and the burner, which is when people notice that the water heater pilot light is out. Your water heater pilot light works in concert with other parts. When your thermocouple detects an unlit pilot, it automatically shuts off the gas to your water heater as a safety precaution.

⛽ Pilot light on gas water heater won't light?

A bad thermocouple will shut off gas to both the pilot and the burner, which is when people notice that the water heater pilot light is out. Your water heater pilot light works in concert with other parts. When your thermocouple detects an unlit pilot, it automatically shuts off the gas to your water heater as a safety precaution.

8 other answers

The water heater uses the piezo igniter to light the main gas burner, and when it is pressed down, it releases the electric spark. The spark gap is factory set (0.125") and should be maintained. When troubleshooting lighting problems, it is recommended to test them first. Turn the gas OFF to the water heater and press the piezo igniter.

One of the most common problems with a gas water heater is the pilot light going out, as this can result in only cold water coming through. Discover how the ...

I am not a professional, just documenting how i repaired the hot water heater's pilot light to stay on. The solution was adjusting the thermocouple. You can ...

Relight the pilot light. Turn the control valve to “on”. When the gas burner comes on, use a 50/50 dish soap/water mix to test the screw joints for air bubbles that indicate leaks. Note: When relit, the water heater pilot light flame should wrap around the thermocouple bulb.

A thermocouple is a function on your water heater that senses the heat on the pilot light and allows gas to flow to the burner. A bad thermocouple will shut off gas to both the pilot and the burner, which is when people notice that the water heater pilot light is out. Your water heater pilot light works in concert with other parts.

Press the gas control valve down in the "Pilot" position, and hold the flame from your match or lighter underneath the pilot light. Step 6 If the pilot fails to ignite, check the gas supply to the heater. Make sure all supply valves are open.

Lack of fresh air will cause the pilot light outage. Check if the flame arrestor and filter are clean and free of lint, dust, and dirt. Replace the thermostat if it is broken or the ECO switch is open. Find more details about troubleshooting pilot light problems here.

If your pilot light is staying lit with a large enough flame but the heater isn’t triggering, your thermocouple may be bad. The exact location and type varies by manufacturer.

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