Carrier HK02ZA402 Pressure Switch 321142-301 allowing a single motor to

allowing a single motor to cover multiple OEM specifications

By creating controlled turbulence

maintaining the tight tolerances required for atmospheric or induced draft venting

allowing for efficient venting or pressurized cycling

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

Carrier HK02ZA402 Pressure Switch 321142-301 allowing a single motor toThe 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