Carrier HK02ZA402 Pressure Switch 321142-301 Precision Control: Features adjustable cut-in

Precision Control: Features adjustable cut-in and cut-out settings to maintain optimal thermostat temperature ranges

which results in spark tracking or a weak flame signal

ensuring 52J98 is identical to 52J9801

maintaining identical electrical specs and physical mounting dimensions

you must replace the complete actuator assembly to ensure mechanical compatibility

Carrier HK02ZA402 Pressure Switch 321142-301 Precision Control: Features adjustable cut-inThe Carrier HK02ZA402 is a high performance manual reset pressure switch designed specifically for HVAC systems requiring critical safety cut out protection. This SPST high pressure switch is factory calibrated to open at 610 PSI and close at 420 PSI, ensuring the compressor is shielded from extreme head pressure conditions that can lead to catastrophic mechanical failure. Engineered for seamless integration with Carrier, Bryant, and Payne condensing