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

The 221634 uses a 3/4" NPT connection

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

using this genuine Lochinvar part ensures exact boiler pressure switch mounting alignment and electrical terminal compatibility

this Maneurop MTZ series unit is pre-charged with polyester oil (POE) to ensure optimal lubrication and compatibility with HFC systems

and verify that the board is receiving the 24V signal from the thermostat while the outdoor coil thermostat is closed

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