this genuine OEM HVAC part provides the specific logic parameters required for the Cyclone BTH series

The pilot-operated diaphragm design requires a minimum pressure differential for operation

maintaining the designed static pressure across the condensing coil

The Field Controls 46487501 is a 10-inch GVD series gas vent damper designed for high-efficiency 24Vac atmospheric gas heating systems

the COM11140 is the authorized service replacement

Utica-Dunkirk 17222300000791 Control Assembly 326070-701 this genuine OEM HVAC partThe Utica Dunkirk 17222300000791 Control Assembly is a direct OEM replacement board engineered specifically for EMI MZ4H36D condensing units. As a critical component in ductless split systems and Environmental Management Inc. cooling platforms, the IV CTRL ASSY COND MZ4H36 manages refrigeration cycles and system communication. This HVAC control board ensures the compressor and fan circuits operate within factory parameters, preventing short cycling