18G91 18G9101 28L49 28L4901 - Furnace Control Board Replaces Lennox Armstrong Ducane
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Description
This is a new Furnace Control Board. It replaces the part numbers listed below.
The control board is the brain of your unit, coordinating and executing the operation of other various components by sending voltage when and where needed. A control board is constantly monitoring sensors and safety switches in the unit.
Replaces:
18G91 18G9101 28L49 28L4901
Repair Difficulty Level
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