Field Controls 46458041 Control Kit Els PW 17895 it maintains the precise static

it maintains the precise static pressure needed for the furnace inducer motor to operate within its technical parameters

minimizing re-expansion losses

Ranges are set via internal DIP switches

including the 48HJD series

Veteran techs recommend ensuring the diaphragm is lightly powdered (common baby powder works) to prevent binding against the housing during high-pressure operation

Field Controls 46458041 Control Kit Els PW 17895 it maintains the precise staticThe Field Controls 46458041 (Model CK 41P) is a professional grade control kit engineered to synchronize the operation of SWG Series Power Venters with 24VAC gas fired components. Designed specifically for gas furnaces, boilers, and unit heaters, this kit ensures the power venter is energized prior to burner ignition. It features a modular plug in connection for systems equipped with a 24V electric damper, simplifying the interface between the