distinct from the violet-wire FP2 air-coil sensors

maintaining the integrity of the original control sequence and preventing unauthorized bypasses in complex commercial HVAC control environments

Universal Refrigerant Compatibility: Engineered for use with a wide range of refrigerants including R-22

allowing technicians to identify potential compressor burnout risks before catastrophic failure occurs

For technicians performing an HVAC relay replacement

Schneider Electric (Barber Colman) MK-2690 Proportional Control Els PW 17895 distinct from the violet-wire FP2The Schneider Electric Barber Colman MK 2690 is a specialized pneumatic valve actuator engineered for precise proportional control in demanding HVAC applications. This compact unit features a 6 sq. in. effective area and is primarily designed to drive 1 2" to 2" globe valves, including the VB 7000 series and discontinued VB 9xxx models. Built with a rugged die cast aluminum housing and a NEMA 1 enclosure, this actuator ensures linear movement with a 1