ensuring reliable heat delivery and minimizing nuisance lockouts in residential and light commercial hydronic applications

while this unit includes the S1-3390-00 valve and coil

Key Benefits: Precise Thermal Monitoring: Provides accurate cut-out settings within the 180°F to 230°F range to prevent heat exchanger fatigue

and all necessary gaskets for the top-end rebuild

Resideo VC6934ZZ11 Actuator 318518-761 ensuring reliable heat delivery andThe Resideo VC6934ZZ11 Actuator is a professional grade 24VAC floating valve actuator engineered for precise hydronic control in fan coil units, radiators, and central convection systems. Built as a non spring return unit, this model provides reliable SP3T tri state control, making it a staple for technicians managing Honeywell VC series valves. With a 60# closeoff pressure rating, it ensures tight shut off against high differential pressures,