Engineered as a normally closed disc-style switch

This model includes a convertible range adjuster

providing reliable 24V power step-down

the SC11-B allows you to drive multiple modulating gas valves simultaneously from a single 4-20mA or 0-10 VDC source

Durable Construction: High-grade industrial materials resist warping and corrosion in demanding residential and light commercial environments

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