Description
This is a BRAND NEW Trane/American Standard Control Circuit Board Tracer MP503. The Board # is BRD04256 (also BRD4256). Thanks for looking and good luck!
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:
MP503 BRD3039 BRD03039
Repair Difficulty Level:
Partial List of Units that Use This Item:
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