Aprilaire #4238 Circuit Board for Model 700, 760, 760A, 768.
This part does not work with the 700A / 700M models (see relay part # 4740).
Includes wiring harness.
Aprilaire #4238 Circuit Board for Model 700, 760, 760A, 768. Includes wiring harness. This part does not work with the 700A / 700M models (see relay part # 4740).