Johnson Controls M9000-532 Linkage 30067439-890 This specific HVAC replacement fan

This specific HVAC replacement fan blade features a 1/2-inch bore and is designed for counterclockwise (CCW) rotation

making it compatible with a wide range of pneumatic automation systems

protecting the internal diaphragm from damage during system startup or duct blips

The internal 3/4" orifice provides a high flow coefficient (Cv)

meaning it will reset (close) when the temperature drops to 120°F

Johnson Controls M9000-532 Linkage 30067439-890 This specific HVAC replacement fanThe Johnson Controls M9000 532 is a heavy duty linkage kit engineered for mounting tandem electric actuators onto flanged iron globe valves. Designed for high torque applications, this linkage facilitates the installation of M9116, M9124, and M9220 non spring return actuators or M9220 spring return models. Specifically, it supports 3 inch valves when utilizing tandem M9116, M9124, or M9220 units, and 4 inch valves with tandem M9124 or M9220