Description
Kunkle Valve 6010GFM01AAM0015 Valve R 22 The Weil McLain 381 800 475 Assembly The 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 A veteran technician knows that a solid furnace control board is the heart of the system