Copeland Comfort Control (Alco) 064989 Check Valve 323613-751 technicians should verify the 3-pin

technicians should verify the 3-pin internal motor winding resistance and ensure the blower wheel is balanced before installing the new ECM control module to prevent premature failure of the sensitive electronics

Field Diagnostics: Onboard LED indicators allow for rapid troubleshooting of sensor faults or system delays without extensive probing

Its 24V control signal integration makes it a versatile HVAC part winding start relay for commercial split systems and packaged units where protecting the compressor motor is a priority

Manufactured with high-density activated carbon

providing the durability needed for 24/7 operations where temperature regulation cannot fluctuate

Copeland Comfort Control (Alco) 064989 Check Valve 323613-751 technicians should verify the 3-pinThe Copeland Comfort Control (Alco) 064989 is a heavy duty ACK 12 magnetic check valve designed for commercial refrigeration and air conditioning systems. This mechanical 3 4" ODF sweat check valve prevents refrigerant migration and backflow during compressor off cycles, ensuring system stability in discharge, liquid, or suction lines. Specifically engineered for reliability, the 064989 features a built in 30 mesh stainless steel strainer to protect