Description
This is a brand new upgraded aftermarket replacement control board for Lennox/Armstrong/Ducane furances. It replaces the part numbers listed below.
Function:
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 Old Part #s:
86H30 86H3001 Y4749
Repair Difficulty Level:
Partial List of Units that Use This Item:
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