eliminating the need for time-consuming field calibration

matching the 1/14 HP rating

When the thermostat calls for heat

specifically supporting Ultra Gas Boiler models such as the Ultra 310 and Ultra 80 (Series 1 & 2)

Copeland Comfort Control (Alco) 064989 Check Valve Els PW 29614 eliminating the need for time-consumingThe 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