Let's say you're arriving at a cabin for a weekend in the country. They've been shut down in order to conserve fuel, and if you don't want to freeze your tail off, you'd better know how to start them up again. This 2torial supplies the basic guidelines on how to light standard pilot lights for gas appliances. Always get the advice of a plumber or licensed professional if you're not sure how to proceed. Most units operate using a gas supply valve which is linked to a thermostat.
Gas is distributed on-demand to a burner, where it's ignited by a pilot light.