Description
The Carrier HK02ZB056 is an OEM low pressure switch engineered to protect refrigeration and air conditioning systems from operating under unsafe low-pressure conditions. With a 95 psig cut-in and 50 psig cut-out setting, this switch monitors system refrigerant pressure and interrupts the circuit when pressure drops below the safe operating threshold, helping prevent compressor damage and system failure.
Key Features
- OEM Carrier replacement part — direct drop-in fit for compatible Carrier equipment
- 95 psig cut-in / 50 psig cut-out pressure settings
- Monitors low-side refrigerant pressure to protect compressor integrity
- Interrupts system operation when pressure falls below safe levels
- Designed for reliable, long-term performance in residential and light commercial HVAC applications
- Genuine Carrier quality construction for consistent, dependable operation
Application
The HK02ZB056 low pressure switch is a genuine Carrier OEM component intended for use in Carrier air conditioning and heat pump systems. It is a critical safety and protection device that safeguards the compressor and refrigerant circuit by detecting abnormally low refrigerant pressure — a condition that can result from refrigerant loss, blocked metering devices, or other system faults. Always consult your equipment’s service manual to confirm compatibility before installation.
Specifications
- Part Number: HK02ZB056
- Brand: Carrier
- Type: Low Pressure Switch
- Cut-In Pressure: 95 psig
- Cut-Out Pressure: 50 psig
- Application: Refrigerant system low-side pressure protection
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