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)
AirFilters.com
This Aprilaire circuit board is for model 700, 760, 760A and 768 and includes wiring harness. This part does not work with the 700A / 700M models. Purchase this and other Aprilaire replacements from AirFilters.com!