Engineered as a normally closed disc-style switch

This model includes a convertible range adjuster

providing reliable 24V power step-down

removing the need for an external power supply

Copeland Comfort Control (Alco) 078117 Cage Assembly 30067439-890 Engineered as a normally closedThe Copeland Comfort Control (Alco) 078117 Cage Assembly, also identified by the industry interchange X9117B7B, is a high capacity component engineered for the Alco T Series take apart expansion valves. Designed for heavy duty commercial refrigeration and large scale HVAC systems, this double ported cage assembly provides precise refrigerant metering and stable superheat control even under fluctuating load conditions. The modular "take apart" design