Carrier HK02ZZ001 Pressure Switch

Ensure reliable high-side protection with the Carrier HK02ZZ001 High Pressure Switch, an essential OEM replacement pressure switch for commercial and residential HVAC/R systems. This factory-authorized component is engineered specifically for Carrier and Bryant equipment, serving as a critical safety limit that prevents compressor damage during over-pressurization events. With a precise high-pressure cutout threshold of 650 PSI and a 500 PSI reset, this switch provides the exact response times required to maintain internal system integrity.

For service technicians performing HVAC system diagnostics or emergency AC repair, the HK02ZZ001 offers a direct-fit solution that eliminates compatibility issues common with universal parts. This HVAC pressure control ensures the refrigerant circuit remains within safe operational parameters, effectively managing high-head pressure conditions in demanding environments. Its robust construction and standardized electrical connections allow for efficient field replacement, minimizing system downtime and restoring the unit to original factory specifications. Trust this genuine HVAC safety switch to safeguard your compressor and optimize overall cooling performance.

• Factory Precision: Fixed 650 PSI open and 500 PSI close setpoints designed for R-410A and high-pressure refrigerant applications.
• OEM Compatibility: Guaranteed drop-in replacement for Carrier, Bryant, and Payne units, maintaining the original AHRI certification.
• Critical Protection: Reliable electrical circuit interruption prevents catastrophic failure under high-head pressure conditions.
• Rugged Design: Built to withstand industrial-grade vibration and thermal cycling in extreme HVAC environments.

Is the HK02ZZ001 a manual or automatic reset switch?
This model features an automatic reset, meaning the circuit will close again once the system pressure drops back down to the 500 PSI threshold.

Can I use this switch in R-22 legacy systems?
The HK02ZZ001 is rated for high-pressure thresholds (650/500#) typically associated with R-410A systems. Always verify your specific model's data plate requirements before installation.

What causes this high-pressure switch to trip frequently?
Common causes include a dirty condenser coil, a failed outdoor fan motor, or an overcharge of refrigerant, all of which raise head pressure beyond the 650 PSI safety limit.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.