Carrier HK02ZB054 Pressure Switch 340793-762 this 100137144 assembly is the

this 100137144 assembly is the current manufacturer-spec replacement for your 150-400 series unit

This genuine OEM assembly ensures exact fit and low-resistance contact performance

Existing mounting hardware and fan blades must be transferred or replaced separately during the HVAC repair

Its non-electrolytic properties make it superior to metal floats in applications where electrolysis or galvanic corrosion is a concern

Carrier HK02ZB054 Pressure Switch 340793-762 this 100137144 assembly is theFor mid to large scale commercial and residential HVAC units, the Carrier HK02ZB054 Pressure Switch is a critical safety component designed to maintain peak system performance. This 78 54 PSI low pressure switch effectively prevents compressor damage by interrupting the control circuit if refrigerant levels drop below safe operating thresholds. Operating on a 24V signal, this OEM Carrier replacement part is calibrated to open at 78 PSI and close at 54