High Overpressure Rating: Safety-rated for up to 325 psig

5 MFD ratings

ensure the manual gas cock is in the "ON" position and the inlet pressure meets the minimum 5" WC requirement

preventing long-term drift in high-humidity environments

while the DIN rail mount and surface mounting options ensure a streamlined installation in various control panels

Carrier HK02SA440 Pressure Switch 321894-708 High Overpressure Rating: Safety-rated forThe 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,