Optimized Performance: Meets exact OEM airflow and pressure drop requirements

Smith 100187880 part ensures a perfect fit without field modifications

This valve replaces multiple legacy part numbers

Key Benefits for Technicians Enhanced System Reliability: The automatic reset functionality on both LP and HP stages reduces downtime by allowing the refrigeration system to resume operation once safe pressures are restored

The assembly is designed for a 6-inch air tube length

Resideo VC7934ZZ31 Modulating Actuator 320074-702 Optimized Performance: Meets exact OEMThe Resideo VC7934ZZ31 is a high performance modulating valve actuator designed for precise flow control in commercial hydronic systems. Operating on a 24 Vac power supply, this unit utilizes a 0 2 10 Vdc control signal to provide linear positioning for VC series valves. Unlike spring return models, this actuator fails in place upon loss of signal or power, maintaining the current valve position to prevent sudden system shifts. Engineering for high