Professional Durability: Built to withstand high-temperature combustion environments

it is functionally compatible with R-22 systems provided the 3/4" suction line sizing and total system charge limits are observed

avoiding high-pressure spray that might flatten the woven foil

The higher VA rating provides more headroom for the control circuit

5 inch shaft

Carrier HK02ZZ001 Pressure Switch 318423-701 Professional Durability: Built to withstandEnsure 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,