Description
Carrier HK02ZB041 Low Pressure Switch Overview
The Carrier HK02ZB041 is an OEM low pressure switch engineered to protect refrigerant circuits in Carrier heating and cooling systems. Designed as a direct factory replacement, this switch monitors system low-side pressure and interrupts operation when pressure drops below safe thresholds, safeguarding compressors and refrigerant circuits from damage caused by low-charge or loss-of-refrigerant conditions.
Pressure Specifications
- Cut-Out (Open) Pressure: 44 PSI
- Cut-In (Close) Pressure: 27 PSI
Key Features
- OEM Carrier replacement part — ensures proper fit and function
- Protects compressor from low refrigerant pressure conditions
- Designed for use in Carrier residential and light commercial HVAC systems
- Reliable switching action for consistent system protection
- Direct drop-in replacement for simplified installation
Application
This low pressure switch is intended for use in Carrier air conditioning and heat pump systems where low-side refrigerant pressure monitoring is required. Always verify compatibility with your specific Carrier equipment model before installation. Refer to your equipment service manual for wiring and mounting instructions.







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