Carrier HK02ZB325 Pressure Switch 322055-301 this high-limit control provides a

this high-limit control provides a direct-fit solution to resolve furnace short-cycling issues caused by drifted sensors

offering seamless compatibility with push-to-connect fittings and barbed couplings

if the assembly has developed a "surge" or imbalance due to material fatigue or a broken blade

ensuring zero-modification installation in compatible unit heaters

Rated for 120V to 277VAC

Carrier HK02ZB325 Pressure Switch 322055-301 this high-limit control provides aThe Carrier HK02ZB325 Pressure Switch is a critical safety component designed for high pressure cutout applications in residential and commercial HVAC units. Engineered with a 400 PSI cut out and a 325 PSI cut in, this SPST (Single Pole Single Throw) switch monitors refrigerant pressure to protect the compressor from damage during high head pressure events. This OEM Carrier replacement part features a 1 4 inch female SAE flare fitting with a Schrader