Carrier HK02SA440 Pressure Switch 321142-301 The Johnson Controls V46AA-56 is

The Johnson Controls V46AA-56 is a professional-grade pressure actuated water regulating valve engineered for precision head pressure control in water-cooled condensers

this switch is compatible with any system requiring a 325F automatic limit

Optimized Power Draw: The 17

While designed for R22

the 30735489-007 features a specialized fiber tip that resists drying out during standby periods while maintaining high-contrast legibility on standard chart paper

Carrier HK02SA440 Pressure Switch 321142-301 The Johnson Controls V46AA-56 isThe Carrier HK02SA440 High Pressure Cutout is a vital OEM replacement pressure switch engineered to protect HVACR systems from extreme internal pressures. This high pressure switch features a 660 PSI cutout and a 505 PSI reset (660 505#), ensuring the compressor shuts down immediately when safety thresholds are exceeded. Designed by Sensata (part number PS80 01 1055), this manual reset pressure control is a factory authorized part for Carrier, Bryant,