Carrier P502-C163S Drier 321894-708 or "hunting" noises that indicate

or "hunting" noises that indicate the wheel is out of round or has a compromised hub

Optimized for 460V Systems: Specifically designed for 460V single-phase power supplies commonly found in commercial HVAC units

As a direct replacement for discontinued legacy models—including BRD3014

or a cracked sensing tube

Precise Modulation: The 8-13 psi spring range allows for accurate pneumatic control in both modulating and on/off sequences

Carrier P502-C163S Drier 321894-708 or "hunting" noises that indicateThe Carrier P502 C163S Drier is a high capacity liquid line filter drier designed specifically for R 410A and R 22 residential and commercial air conditioning systems. This 16 cubic inch unit features a solid core desiccant blend of molecular sieve and activated alumina, optimized for maximum moisture removal and acid neutralization. The 3 8" ODF solder connections facilitate a secure, leak proof transition into the high pressure side of the circuit.