Learn all about your furnace pilot light — where it is, what it does, and how to troubleshoot the most common issue.

The thermocouple in modern gas appliances works to prevent most gas ... Drafts Can Blow Out A Pilot Light If your fireplace, water heater, or furnace pilot light goes out, it might not be an ...

If you have a gas furnace heating your home ... Additionally, gas fireplaces will have a component known as a thermocouple, which is designed to prevent gas leaks by automatically closing the ...