York 031-02742-000 Controller R-410A Precise Adjustment: Features a visible

Precise Adjustment: Features a visible "Sight-Set" scale for rapid pressure control setting in the field

disc/diaphragm

How do I know if the air vent needs replacing

It serves as a minimum position switch

York 031-02742-000 Controller R-410A Precise Adjustment: Features a visibleThe York 031 02742 000 Drain Feed Controller is a high precision HVAC replacement part engineered for demanding liquid level management in commercial and industrial chillers. Often identified as an AK2 XM Stepper Module, this component provides the critical 0 10 VDC control signal interface required to drive electronic expansion valves (EEV). Unlike legacy controllers, the 031 02742 000 is specifically balanced for use with the ETS series stepper