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

preventing nuisance shutdowns and "no-heat" calls

providing a more reliable connection for the pilot line

Professional Durability: Built to withstand high-temperature combustion environments

Carrier HK02ZZ001 Pressure Switch 318423-701 it is functionally compatible withEnsure 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,