Carrier HK02ZZ001 Pressure Switch 326058-757 making it ideal for high-load

making it ideal for high-load startups

For technicians retrofitting older pneumatic systems or maintaining existing hydronic loops

This 3-wire power open/power closed damper is compatible with most standard 24Vac zoning panels

Ensure the transformer has sufficient VA capacity to handle the solenoid coil draw during the heating cycle

The contacts only close and provide power to the load when the 24-volt signal is applied to the relay coil

Carrier HK02ZZ001 Pressure Switch 326058-757 making it ideal for high-loadEnsure reliable high side protection with the Carrier HK02ZZ001 High Pressure Switch, an essential OEM replacement pressure switch for commercial and residential HVAC R systems. This factory authorized component is engineered specifically for Carrier and Bryant equipment, serving as a critical safety limit that prevents compressor damage during over pressurization events. With a precise high pressure cutout threshold of 650 PSI and a 500 PSI reset,