Why does my pilot light keep going out on my fireplace?

If your gas fireplace’s pilot light doesn’t stay lit, the most likely culprit is a thermocouple. The ignition system includes a thermocouple as a safety device. When the pilot light goes out, this device prevents the gas valve from opening.

When I release the pilot button the flame goes out?

Replacement of the thermocouple is likely if the pilot light can be lit but goes out when the control knob is released. As a safety device, the thermocouple is designed to stop gas flow if it detects that the pilot light is out, but if it is damaged, it loses its ability to regulate the flow.

Why does my gas fireplace shut off after a few minutes?

The draught of the main burners will disturb the “lazy” flame if you have dust in the pilot assembly and the pilot needs to be cleaned. The thermocouple’s tip temperature drops as the flame lifts away from the thermocouple’s contact area. As a result of this, the gas valve is tripped.

How do I stop the wind from blowing out my pilot light?

To keep the pilot light from going out, a shield will be placed over it. It’s possible to buy one at the hardware store and install it yourself to see if that fixes the issue. Most effective if the problem is caused by a draught in the room. Gas water heaters that use the chimney as a ventilation system are becoming more common.

How much does it cost to replace a thermocouple in a gas fireplace?

A thermocouple or thermopile replacement by a professional can cost anywhere from $150 to $250 dollars.