Replacing Furnace Ignition Switch

Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas.

Replacing furnace ignition switch. Once lit the burners then heat a flame sensor. 13 34 15 25 21. A gas furnace ignitor is used to start up the furnace and it uses an electric current and a filament to ignite. Either way you should remove your old ignition switch by taking out your vehicle s steering wheel and ignition module cover inserting the key and.

2 pack sen01114 sen0491 flame sensor replacement part for trane american standard gas furnace b340888 1 4 3 out of 5 stars 4. Oem upgraded replacement for carrier furnace hot surface ignitor igniter 41 409 original version 4 7 out of 5 stars 204. Most high efficiency furnaces use a hot surface igniter that heats up to 1 800 degrees f to light the burners. The labor costs involved to replace the ignitor will vary by area but generally start at 75.

How to tell if an ignitor on a gas furnace is working. When the furnace ignitor malfunctions the furnace won t operate. A red off switch that is similar to a light switch should be on a wall near the furnace. Gas furnaces now come with an igniter that works electronically to light the gas and heat the home.

Replacement carrier furnace ignitor. In this video i show how to test check an. Turn the power off to the carrier furnace. Or turn off the circuit breaker inside the home electrical panel if you do not see a red switch.

To replace an ignition switch you ll need to either have your old switch rebuilt by a dealership so you can keep your old keys or purchase a new switch from a dealership and get a new set of keys. The system used depends on how old the gas furnace is but normally nowadays we use the electric ignition with the hot surface system. The furnace s computer uses the signal from the flame sensor to confirm a successful ignition and turn off the igniter. Including the part and service the costs can go up to 300.