Why does my gas fireplace keep cutting off?

One of the main reasons why your gas fireplace keeps shutting down is likely due to the pilot light. This is an integral part of a gas fireplace, that kick starts the gas fire. When you turn on the fire, the pilot light button needs to be held in so that it can light the fire.

Why does my gas fireplace turn off after 30 minutes?

If you get dust in the pilot assembly and the pilot needs to be cleaned out, it produces a “lazy” flame, which will be disturbed by the draught of the main burners. The flame lifts away from the thermocouple and causes the temperature on the tip of the thermocouple to drop. This, in turn, makes the gas valve shut off.

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.

How long do gas fireplaces last?

How Long Can a Gas Fireplace Last? Generally speaking, you can get a good ten to fifteen years of use before you need to replace your gas fireplace.

How do you fix a gas fireplace that won’t stay lit?

Easy DIY Fix: Gas Fireplace Won’t Stay Lit

1. Before You Begin: Is Your Pilot Light Lit Inside Fireplace?
2. The Fix: Pilot Light to Gas Fireplace Won’t Stay Lit.
3. Check Your Thermopile Output with the TH/TP Contacts.
4. Don’t Replace Your Thermopile or Thermocouple Right Away.
5. Cleaning the Thermopile.
6. Re-test the Cleaned Thermopile.

How much does it cost to replace a thermocouple?

It costs $150 to $250 to replace a thermocouple. It checks to make sure the pilot light is on. It will shut the gas off if it’s not.

When should a thermocouple be replaced?

Replacing a thermocouple becomes necessary when the pilot light won’t stay lit even after the old thermocouple has been cleaned. Choose the new thermocouple based on the size and mounting style of the old one.

How much does it cost to replace gas fireplace?

Most units fall between $400 and $4,000 when including basic installation prices — though costs can run much higher. Depending on the type of fireplace you choose, the total cost of installation can reach anywhere from $2,300-$10,000 at the high end.

How often should a gas fireplace be serviced?

Most manufactures require annual service and inspection of your gas fireplace. We recommend every year for regular users and no more than 3 years for fireplaces that are rarely used.

Can I replace a thermocouple myself?

1 cause of pilot lights that won’t stay lit is a worn-out thermocouple. It’s easy to replace and a new one costs $5 to $10. Then detach the thermocouple from the burner and take it with you to the home center or hardware store to ensure you buy the right replacement.

What are the symptoms of a bad thermocouple?

A worn out thermocouple is one of the most common gas water heater problems. When thermocouples wear out, the pilot light goes out, the burner won’t light, and you will have no hot water.

How often should gas fireplaces be serviced?

Why does my gas fireplace shut off by itself?

Gas Fireplace Shuts Itself Off. If the flame does not surround the thermocouple, the problem is the pilot flame itself. A weak pilot is usually caused by a dirty orifice on the pilot assembly. I usually disassemble the pilot, remove and clean orifice. Hope this helps. Thanks.

What causes the pilot to go out on a gas fireplace?

Typically this problem is caused by either a bad pilot generator or thermocouple or a weak pilot flame. When you light the pilot, the flame from the pilot should surround the thermocouple which is the copper or silver rod. If it is surrounded by a strong pilot flame and the pilot goes out,…

What are the disadvantages of a gas fireplace?

The drawback of a gas fireplace is that it can have technical problems you won’t find in a wood-burning fireplace. If your gas fireplace is regularly shutting off after you turn it on, it’s likely that you have a problem with a part of the set-up.

Is a gas fireplace right for your home?

Gas fireplaces are beautiful additions to any house. They are usually cleaner and safer than traditional fireplaces, thanks to technology, and can be a cheaper and more effective way to heat your home depending on where you live. The drawback of a gas fireplace is that it can have technical problems you won’t find in a wood-burning fireplace.