Greenheck (Venco) VCDR-53-10 Damper 326058-758 though the preferred position is

though the preferred position is with the solenoid upright and vertical to reduce sediment buildup

making it suitable for high-rise hydronic applications where differential pressure and system head must be managed

setpoints can be adjusted using the internal range screws visible through the cover

the QU-E50 features an integrated adjustable timer that allows contractors to fine-tune the discharge cycle

Greenheck (Venco) VCDR-53-10 Damper 326058-758 though the preferred position isThe Greenheck VCDR 53 10 is a heavy duty 10 inch round commercial damper engineered for high velocity HVAC systems requiring reliable airflow control and low leakage performance. Built with a robust galvanized steel frame and reinforced damper blades, this unit is designed to withstand high static pressures without compromising structural integrity. The VCDR 53 series is recognized for its low leakage rate, meeting Class 1A leakage standards at 1 in.