Furnace Ignition Switch

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.

Furnace ignition switch.

Electronic ignition systems aren t designed to last for the lifetime of your furnace. Even if you have a gas system it uses electricity and must be turned on. Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas. Electronic ignition gas furnace problems troubleshooting gas furnaces are a prevalent form of heat for homes and businesses and occasionally a gas furnace needs to be repaired because of a problem with the gas furnace.

There is a power disconnect switch by the furnace. If you have a newer furnace or one with an afue rating above 80 it most likely has an electronic ignition system. 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. Generally furnaces are built to last many years so the original ignitor part should be available for purchase.

In this video i show how to test check an. When you need a furnace ignitor or other furnace controls shop grainger first. When you switch off the main you will need to use your flashlight to access the igniter on the. The circuit switch should be marked furnace if you cannot find it switch off the main circuit.

The switch inside the furnace could have accidentally been switched to off so be sure the power is 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. One type of electronic ignition is an intermittent pilot. Choose from universal direct spark ignition controls and hot surface ignition modules.

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. Find a flame sensor or auto pilot relighter here. Faulty temperature limiting switch. If this isn t the case the manufacturer will recommend a replacement part.

These igniters are located in about the same position as where we described the pilot light as being. You can also check the breaker to make sure power to the furnace has not been tripped. This system uses a pilot flame but the flame lights only when there s a call for heat from the thermostat.