Electric Gas Heater Won T Light

How to tell if an ignitor on a gas furnace is working.

Electric gas heater won t light. If this pilot light ever goes out. A hot surface ignition system uses an electronically controlled resistance heating element not unlike a light bulb filament to ignite the gas burner. Your heater s pilot light allows the burner to cycle on and off while maintaining the water in the tank at a constant temperature. The first sign of trouble with your water heater s pilot light is usually a cold shower.

These newer furnaces do not use a pilot. Gas heater pilot light troubleshooting. Gas furnaces now come with an igniter that works electronically to light the gas and heat the home. In this video i talk about a couple of reasons why your pilot light might go out.

When the pilot light goes out for any reason the thermocouple closes the burner s gas supply valve to prevent gas escaping. Gas heaters whether they warm up air or water in a home rely on a pilot light to trigger the flame of the actual heater. An intermittent pilot system uses an electronically controlled high voltage electric spark to ignite a pilot light and subsequently the main burners when the thermostat calls for heat. The water heater pilot light is a small flame that ignites the gas burner on your water heater.

If the pilot doesn t relight if it goes out right after lighting or if the pilot light keeps going out by far the most common.