The Johnson Controls A99BB-200 is a high-precision PTC silicon temperature sensor specifically engineered for reliable monitoring in professional HVACR applications

546-inch junction lead

2 mm slot to ensure smooth operation without excessive play

and central air conditioners

White-Rodgers F145-1328 Remote Sensor The Johnson Controls A99BB-200 isThe White Rodgers F145 1328 Remote Sensor is a critical component for contractors looking to optimize space averaging or remote temperature monitoring in residential and light commercial applications. This wired indoor sensor communicates via a digital signal, which eliminates the common issue of temperature variance caused by wire resistancea frequent headache with older analog thermistors. As a veteran grade accessory, it is fully compatible with