Description
The Carrier HK02ZA442 is a precision-engineered high-pressure safety switch, designed as a genuine OEM part to safeguard your HVAC refrigeration or air-conditioning system. Built to meet Carrier’s strict specifications, this switch plays a critical role in protecting your compressor from damaging overpressure conditions.
Key Features
- Reliable High-Pressure Protection: Opens at 448 psi and resets (closes) at 327 psi, offering dependable protection against excessive system pressure.
- OEM-Grade Quality: Factory Authorized Part ensures exact drop-in replacement and maintains Carrier’s original performance and safety standards.
- Robust Design: Constructed to withstand harsh HVAC environments, delivering long-term durability for reliable system operation.
- Compact & Technician-Friendly: Small form factor (about 4.1″ × 4″ × 0.4″) makes installation straightforward in tight spaces.
- Preserves System Warranty: Using genuine Carrier parts like this switch helps maintain your unit’s warranty coverage.






