Weil McLain 381-800-475 Assembly Freon ensuring long-term proportional control under

ensuring long-term proportional control under demanding cycles

designed to provide rigid mechanical connection between damper actuators and shaft crank arms

Key Benefits Fixed Calibration: Factory-set at 0

000 BTU rating

Weil McLain 381-800-475 Assembly Freon ensuring long-term proportional control underThe Weil McLain 381 800 475 Assembly is a 5" automatic vent damper and actuator kit engineered for high performance flue gas management in gas fired boiler systems. As a heavy duty OEM replacement part, this assembly is the direct successor to the discontinued 510 512 345 and the Effikal RVGP KS 5 BKF. Designed for precision, the galvanized steel damper body works in tandem with a 24 VAC motorized actuator to mitigate standby heat loss by sealing the