Field technicians should verify shaft dimensions and mounting bolt patterns to ensure a proper fit with the existing blower wheel assembly and housing

This is a fixed-bore component designed for specific drive ratios

the sensor likely has carbon buildup or a cracked ceramic insulator

Factory Authorized Part status ensures exact physical fit and port alignment with existing Carrier HVAC service lines

This critical pneumatic actuator accessory provides the pivoting connection required between the actuator stroke and the damper shaft

Schneider Electric (Barber Colman) VK4-7313-302-4-11 Valve Assembly 320735-701 Field technicians should verify shaftThe Schneider Electric VK4 7313 302 4 11 is a robust 3 way mixing valve assembly designed for precision control in hydronic systems. This 2 inch NPT configuration features a durable bronze body with brass trim, engineered to handle a flow coefficient of 41 Cv. The assembly is driven by a pneumatic globe valve actuator featuring a 5 10 PSI spring return range. The integrated pneumatic positioner ensures accurate stem placement and stable modulation,