Carrier HK02ZA418 High Pressure Switch 448/327 PSI

The Carrier HK02ZA418 is a genuine OEM high pressure switch designed for residential and commercial HVAC applications. This precision-engineered safety component monitors refrigerant pressure levels and automatically controls equipment operation to prevent system damage.

Key Features:

• Opens at 448 PSI and closes at 327 PSI for reliable pressure control
• Designed for use in air conditioning and heat pump systems
• Genuine Carrier OEM replacement part ensures exact fit and compatibility
• Robust construction for long-term durability in demanding HVAC environments
• Helps maintain safe operating pressure levels and prevents compressor damage

This high pressure switch is essential for protecting your HVAC system from excessive refrigerant pressure. When pressure reaches the upper limit of 448 PSI, the switch opens to shut down the compressor, preventing potential equipment failure. The switch automatically resets and closes at 327 PSI, allowing normal operation to resume once safe pressure levels are restored.