Carrier 33ZCFANCOL Actuator/Controller 319852-301 The 221634 uses a 3/4"

The 221634 uses a 3/4" NPT connection

this kit provides a complete set of high-grade gaskets and O-rings required to reseal the valve body and maintain pilot circuit integrity

Key Benefits Precise Ignition Timing: Features a fixed 4-second HSI heat-up and a 4-second TFI to ensure efficient combustion cycles

Key Benefits: Ensures accurate static pressure for consistent pressure switch activation

This Bard HVAC replacement part is essential for dependable operation in various applications

Carrier 33ZCFANCOL Actuator/Controller 319852-301 The 221634 uses a 3/4"The Carrier 33ZCFANCOL is a specialized fan coil actuator and controller designed for precise integration within Carrier i Vu building automation systems. This HVAC zone controller manages 2 pipe or 4 pipe fan coil units by regulating terminal fan speeds and valve positioning via BACnet MS TP communication. Built to interface seamlessly with CCN (Carrier Comfort Network) protocol, the 33ZCFANCOL provides contractors with a robust solution for