The KMC Controls MCP-1030-5108 is a high-performance pneumatic damper actuator designed for reliable proportional control in HVAC systems

This motor is the standard replacement for Nortek brand families

Key Benefits: Precision Refrigerant Metering: Optimized for 3-ton R-22 systems to maintain exact superheat levels across varying load conditions

This kit is essential for HVAC building automation upgrades requiring modernized modulating or on/off valve control

The rugged construction resists diaphragm fatigue

Siemens Building Technology QFM81.21 Hygrostat 320074-702 The KMC Controls MCP-1030-5108 isThe Siemens Building Technology QFM81. 21 is a commercial grade duct hygrostat designed for precision relative humidity control in HVAC systems. Engineered for both monitoring and regulation, this device features a stabilized sensing strip that ensures superior linearity and long term stability, even in high humidity environments or air contaminated with dust. Unlike baseline models, the QFM81. 21 utilizes an internal setpoint adjuster to prevent