If the coil resistance is out of spec or the contacts are pitted

These auxiliary switches act as the "eyes" of your burner management system

airtight fit in a 3/8" duct hole

this single-phase motor is a drop-in OEM York replacement part that ensures exact mechanical alignment and electrical compatibility

GREE 300002000312 Main Control Board 322838-752 If the coil resistance isThe GREE 300002000312 Main Control Board is a critical OEM main power control module engineered specifically for technical compatibility with GREE ductless mini split systems and heat pump units. As a factory authorized GREE replacement part, this circuit board manages voltage regulation, compressor sequencing, and fan motor communication to ensure the HVAC system control logic remains within manufacturer parameters. When diagnosing communication