Furnace Ignition Switch

There is a power disconnect switch by the furnace.

Furnace ignition switch. One type of electronic ignition is an intermittent pilot. Find a flame sensor or auto pilot relighter here. If you have a newer furnace or one with an afue rating above 80 it most likely has an electronic ignition system. Icm controls icm1501 intermittent ignition oil primary control with 15 seconds safety timing replacement for r8184g series honeywell 4 1 out of 5 stars 41 49 34 49.

The temperature limiting switch is a safety feature that turns off the burner when the furnace becomes too hot clogged air filters and problems with the switch itself can cause the igniter to. You can also check the breaker to make sure power to the furnace has not been tripped. Since there are many different types of gas furnaces it is difficult to cover every single possible gas furnace problem that can occur with a gas furnace in one article. When you need a furnace ignitor or other furnace controls shop grainger first.

Electronic ignition systems aren t designed to last for the lifetime of your furnace. Have a pro inspect your igniter to ensure it s in working order. Faulty temperature limiting switch. When you switch off the main you will need to use your flashlight to access the igniter on the.

In this video i show how to test check an. With an electronic furnace igniter switch your furnace is safer and does not use the small amount of gas that a furnace with a pilot light does. This system uses a pilot flame but the flame lights only when there s a call for heat from the thermostat. Convert a conventional standing pilot system to an intermittent pilot system with a standing pilot conversion kit.

These igniters are located in about the same position as where we described the pilot light as being. If this isn t the case the manufacturer will recommend a replacement part. The circuit switch should be marked furnace if you cannot find it switch off the main circuit. Even if you have a gas system it uses electricity and must be turned on.

The price of this part varies by manufacturer but purchasing it through the manufacturer rather than a repair service company can reduce the cost of the repair. The switch inside the furnace could have accidentally been switched to off so be sure the power is turned on. Choose from universal direct spark ignition controls and hot surface ignition modules.