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Vent Damper Installation

What Is a Gas Fireplace Thermocouple?

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Installing a Direct Vent Gas Fireplace Insert

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What to Do if a Gas Fireplace Pilot Wont Stay On

You may find that your gas fireplace pilot just won't stay lit. Pilot light problems in gas appliances such as water heaters, furnaces and gas fireplaces are not uncommon. In most cases the fix is something simple and inexpensive. If you don't feel comfortable working with or around gas, then consult a professional contractor to do the job for you.

Check Your Drip Loop

1. One common problem is that excess moisture may have gotten into the gas line, causing the pilot light to malfunction. Go to your gas meter and find the tee that has a section of capped pipe, leading down from it. This is called the "drip loop." It is designed to catch excess moisture or condensation, but can overflow.

2. The solution is to use a pipe wrench and open the cap, draining out any liquid.

Check Your Pilot Light Flame Color

1. Check to see if the pilot light is hitting the thermocouple, which is a tiny metal rod above the pilot. Use a flashlight to look in the pilot hole opening.

2. The flame should be a bright blue in color or it will not provide enough heat for the thermocouple.

3. Check to see if the thermocouple feels loose. If so, remove it and then reinstall it, using a screwdriver to remove the mounting screws.

Try Cleaning the Burner

1. Locate the burner, which is below the pilot let and thermocouple.

2. Remove it, using a screwdriver. The burner has many tiny holes that allow gas to flow through. They can easily become clogged with carbon. You may use a air compressor to blow out the jets or try to clean with soap and water. You will know when the gas flow is bad because you will get a blue flame.

You May Need To Replace the Thermocouple

The thermocouple is a small metal piece that crosses path with the burning flame of the pilot light. It's a safety device that delivers gas from the gas valve to the thermocouple to the pilot light. The thermocouple contains wiring that goes to the gas valve. The thermocouple makes electricity to light the pilot.

1. Turn the gas valve to pilot and then depress the override button. Hold it down for at lease 30 seconds in order for the thermocouple to get warmed up. If the pilot doesn't light, then wait a couple of minutes and try again. If this process is repeated and the pilot doesn't light, then the thermocouple is probably bad.

2. Remove it with a small wrench and take it to the hardware store to match up the length and nut size. Each kit will come with varied nut adapters that can be matched up with your current size.

You May Have To Replace the Gas Valve

It's very rare that the gas valve itself goes bad, but it can happen. If you have tried all the other solutions and nothing seems to work, then you may want to replace the gas valve. You may want a professional plumber to help with this type of install.

Solving your pilot problems can be easy to do as long as you check each component in your gas fireplace gas system.




2011