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#4238 Aprilaire Circuit Board
Aprilaire #4238 Circuit Board
- For Model 700, 760, 760A, 768.
- Includes wiring harness. The circuit board also includes a relay and transformer that supply 115V to a fan motor and 24V to solenoid when needed.
- This part does not work with the 700A / 700M models (see relay part # 4740).
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