because it utilizes SPDT switching

Key Benefits for Technicians: Optimal Refrigerant Control: Precisely regulates the flow rate into the evaporator to maintain the correct temperature-pressure relationship

the 100109978 is the current manufacturer-recommended replacement for the legacy part number 9004606205

always verify airflow and refrigerant charge to ensure the lockout isn't triggered by actual low-temperature conditions

What is the difference between this and the "BGB" model

Resideo M847D-ZONE Replacement motor 321702-401 because it utilizes SPDT switchingThe Resideo M847D ZONE replacement motor is a purpose built 24Vac spring return actuator engineered for direct compatibility with ARD and ZD zone dampers. This two position damper motor provides reliable air flow control in residential and commercial zoning systems. Designed as a direct replacement for M847D1004, the unit features a power closed, spring open configuration, ensuring the damper default position is open during power loss for system