As a venter airflow switch

Common Questions What is the thread size for the 998-0010-00

and SYNC (SB1300-SB1500) models

Enhanced Efficiency: Utilizes Eon ECM technology to provide superior variable speed blower control and lower power consumption

Compatible with standard two-wire SPST control circuits for simplified HVAC actuator wiring

Carrier HK02SB027 Pressure Switch 318518-761 As a venter airflow switchThe Carrier HK02SB027 is a mission critical OEM low pressure switch engineered to protect the compressor from low suction conditions and potential evaporator coil freezing. This factory authorized component features a precise 44 27# pressure rating, with a cut out set at 27 PSI and a reset (cut in) at 44 PSI. As a low pressure cutout switch, it monitors refrigerant levels continuously, opening the control circuit to prevent system damage if a leak