Carrier HK02ZB051 Switch
The Carrier HK02ZB051 Low Pressure Switch is a critical safety component designed for precise refrigerant monitoring in residential and light commercial HVAC systems. This SPST auto-reset pressure switch features a compact 1/4-inch SAE female flare connection with an internal valve depressor for direct mounting on service ports. Engineered specifically for R-410A systems, this switch functions as a loss-of-charge protector by opening the electrical circuit when suction pressure drops below the calibrated setpoint, preventing compressor damage due to oil starvation or coil freeze-ups. As an OEM Carrier replacement part, the HK02ZB051 ensures exact electrical compatibility with existing control boards, maintaining the integrity of the 24V safety loop. Its rugged construction resists vibration and environmental stressors common in outdoor condensing units, providing reliable HVAC system protection and preventing costly refrigerant-related failures in Bryant and Payne equipment.
Key Technical Benefits- Factory Calibrated Precision: Fixed setpoints ensure accurate low-pressure cut-out without the need for field adjustment.
- Automatic Reset Functionality: Clears the fault once pressures equalize, minimizing unnecessary service calls while maintaining system safety.
- Direct Mount Design: The 1/4 in. flare nut allows for fast installation on standard Schrader ports, reducing labor time during component swaps.
- OEM Reliability: Built to exact Carrier HK02ZB051 specifications, ensuring proper fitment and electrical signature for modern communicating systems.
What are the specific pressure ratings for the HK02ZB051?
This switch is typically calibrated for R-410A applications, featuring a cut-out pressure near 50 PSI and a cut-in reset near 95 PSI, though actual timings may vary slightly based on specific equipment revision.
Can this switch be used on the high side of the system?
No, this is a dedicated low pressure cutout switch. Installing it on the high side will result in immediate system failure or damage, as it is not rated for discharge-side pressures.
Is this switch compatible with older R-22 systems?
This model is specifically designed for the pressure curves of R-410A. Using it on R-22 equipment will result in inaccurate tripping points and potential compressor overheating.
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.
Original: $112.90
-65%$112.90
$39.52Carrier HK02ZB051 Switch
The Carrier HK02ZB051 Low Pressure Switch is a critical safety component designed for precise refrigerant monitoring in residential and light commercial HVAC systems. This SPST auto-reset pressure switch features a compact 1/4-inch SAE female flare connection with an internal valve depressor for direct mounting on service ports. Engineered specifically for R-410A systems, this switch functions as a loss-of-charge protector by opening the electrical circuit when suction pressure drops below the calibrated setpoint, preventing compressor damage due to oil starvation or coil freeze-ups. As an OEM Carrier replacement part, the HK02ZB051 ensures exact electrical compatibility with existing control boards, maintaining the integrity of the 24V safety loop. Its rugged construction resists vibration and environmental stressors common in outdoor condensing units, providing reliable HVAC system protection and preventing costly refrigerant-related failures in Bryant and Payne equipment.
Key Technical Benefits- Factory Calibrated Precision: Fixed setpoints ensure accurate low-pressure cut-out without the need for field adjustment.
- Automatic Reset Functionality: Clears the fault once pressures equalize, minimizing unnecessary service calls while maintaining system safety.
- Direct Mount Design: The 1/4 in. flare nut allows for fast installation on standard Schrader ports, reducing labor time during component swaps.
- OEM Reliability: Built to exact Carrier HK02ZB051 specifications, ensuring proper fitment and electrical signature for modern communicating systems.
What are the specific pressure ratings for the HK02ZB051?
This switch is typically calibrated for R-410A applications, featuring a cut-out pressure near 50 PSI and a cut-in reset near 95 PSI, though actual timings may vary slightly based on specific equipment revision.
Can this switch be used on the high side of the system?
No, this is a dedicated low pressure cutout switch. Installing it on the high side will result in immediate system failure or damage, as it is not rated for discharge-side pressures.
Is this switch compatible with older R-22 systems?
This model is specifically designed for the pressure curves of R-410A. Using it on R-22 equipment will result in inaccurate tripping points and potential compressor overheating.
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Carrier HK02ZB051 Low Pressure Switch is a critical safety component designed for precise refrigerant monitoring in residential and light commercial HVAC systems. This SPST auto-reset pressure switch features a compact 1/4-inch SAE female flare connection with an internal valve depressor for direct mounting on service ports. Engineered specifically for R-410A systems, this switch functions as a loss-of-charge protector by opening the electrical circuit when suction pressure drops below the calibrated setpoint, preventing compressor damage due to oil starvation or coil freeze-ups. As an OEM Carrier replacement part, the HK02ZB051 ensures exact electrical compatibility with existing control boards, maintaining the integrity of the 24V safety loop. Its rugged construction resists vibration and environmental stressors common in outdoor condensing units, providing reliable HVAC system protection and preventing costly refrigerant-related failures in Bryant and Payne equipment.
Key Technical Benefits- Factory Calibrated Precision: Fixed setpoints ensure accurate low-pressure cut-out without the need for field adjustment.
- Automatic Reset Functionality: Clears the fault once pressures equalize, minimizing unnecessary service calls while maintaining system safety.
- Direct Mount Design: The 1/4 in. flare nut allows for fast installation on standard Schrader ports, reducing labor time during component swaps.
- OEM Reliability: Built to exact Carrier HK02ZB051 specifications, ensuring proper fitment and electrical signature for modern communicating systems.
What are the specific pressure ratings for the HK02ZB051?
This switch is typically calibrated for R-410A applications, featuring a cut-out pressure near 50 PSI and a cut-in reset near 95 PSI, though actual timings may vary slightly based on specific equipment revision.
Can this switch be used on the high side of the system?
No, this is a dedicated low pressure cutout switch. Installing it on the high side will result in immediate system failure or damage, as it is not rated for discharge-side pressures.
Is this switch compatible with older R-22 systems?
This model is specifically designed for the pressure curves of R-410A. Using it on R-22 equipment will result in inaccurate tripping points and potential compressor overheating.
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.
