Carrier's HVAC Controls 33ZCSENPAT primary air temperature sensor is required on a linkage coordinator zone controller if the zone controller is not using a CCN linkage compatible air source. The sensor is used to monitor the equipment's supply-air temperature. The temperature can be broadcast to the zone controllers which receive information from a linkage coordinator. The sensor has an operation range of -40 to 245 F.

The sensor consists of a thermistor encased within a stainless steel housing with 5 in. of exposed length. The sensor has 2 Teflon-insulated, stranded conductors.