Heatcraft Refrigeration 2891402 Pressure Switch
The Heatcraft Refrigeration 2891402 Pressure Switch is an essential adjustable low-pressure control designed for high-stakes commercial refrigeration and HVAC applications. This genuine OEM replacement part provides critical protection for compressors by monitoring suction pressure and interrupting the electrical circuit during low-charge or restricted-flow conditions. Engineered with a Single Pole Single Throw (SPST) configuration, this open-low pressure switch is built for precise operation in walk-in coolers, freezers, and condensing units.
The 2891402 is functionally identical to the Johnson Controls P70AB-1, offering a reliable drop-in solution for legacy systems. It features an adjustable range from 20" Hg to 100 PSI, allowing technicians to fine-tune cut-in and cut-out settings to meet specific manufacturer requirements. This flexibility is vital for maintaining system efficiency and preventing vacuum conditions that can lead to motor burnout or oil contamination. The 1/4" male flare connection ensures a secure, leak-proof interface with standard refrigeration lines.
Professional Benefits:
- OEM Compatibility: Replaces P70AB-1 and P70AB-1D, ensuring exact fitment in Heatcraft, Bohn, and Larkin equipment.
- Compressor Protection: Prevents short-cycling and damage caused by low refrigerant levels or evaporator icing.
- Technical Precision: Adjustable setpoints allow for tight control over pump-down cycles and safety shutdowns.
- Industrial Durability: Robust heavy-duty contacts and internal bellows are designed to withstand the high-vibration environment of a mechanical room.
Common Questions:
Is the Heatcraft 2891402 a direct replacement for the Johnson Controls P70AB-1?
Yes, it is the updated OEM part number for the P70AB-1 series, featuring the same SPST open-low action and adjustable 20"/100# pressure range.
What type of refrigerants is this switch compatible with?
It is designed for use with all common non-corrosive refrigerants used in commercial HVACR systems, including R-22, R-404A, and R-134a.
Can this be used for high-pressure cut-out applications?
No, this is specifically an open-low switch. For high-side protection, a dedicated high-pressure manual or automatic reset switch should be used.
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: $190.49
-65%$190.49
$66.67Heatcraft Refrigeration 2891402 Pressure Switch
The Heatcraft Refrigeration 2891402 Pressure Switch is an essential adjustable low-pressure control designed for high-stakes commercial refrigeration and HVAC applications. This genuine OEM replacement part provides critical protection for compressors by monitoring suction pressure and interrupting the electrical circuit during low-charge or restricted-flow conditions. Engineered with a Single Pole Single Throw (SPST) configuration, this open-low pressure switch is built for precise operation in walk-in coolers, freezers, and condensing units.
The 2891402 is functionally identical to the Johnson Controls P70AB-1, offering a reliable drop-in solution for legacy systems. It features an adjustable range from 20" Hg to 100 PSI, allowing technicians to fine-tune cut-in and cut-out settings to meet specific manufacturer requirements. This flexibility is vital for maintaining system efficiency and preventing vacuum conditions that can lead to motor burnout or oil contamination. The 1/4" male flare connection ensures a secure, leak-proof interface with standard refrigeration lines.
Professional Benefits:
- OEM Compatibility: Replaces P70AB-1 and P70AB-1D, ensuring exact fitment in Heatcraft, Bohn, and Larkin equipment.
- Compressor Protection: Prevents short-cycling and damage caused by low refrigerant levels or evaporator icing.
- Technical Precision: Adjustable setpoints allow for tight control over pump-down cycles and safety shutdowns.
- Industrial Durability: Robust heavy-duty contacts and internal bellows are designed to withstand the high-vibration environment of a mechanical room.
Common Questions:
Is the Heatcraft 2891402 a direct replacement for the Johnson Controls P70AB-1?
Yes, it is the updated OEM part number for the P70AB-1 series, featuring the same SPST open-low action and adjustable 20"/100# pressure range.
What type of refrigerants is this switch compatible with?
It is designed for use with all common non-corrosive refrigerants used in commercial HVACR systems, including R-22, R-404A, and R-134a.
Can this be used for high-pressure cut-out applications?
No, this is specifically an open-low switch. For high-side protection, a dedicated high-pressure manual or automatic reset switch should be used.
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
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Description
The Heatcraft Refrigeration 2891402 Pressure Switch is an essential adjustable low-pressure control designed for high-stakes commercial refrigeration and HVAC applications. This genuine OEM replacement part provides critical protection for compressors by monitoring suction pressure and interrupting the electrical circuit during low-charge or restricted-flow conditions. Engineered with a Single Pole Single Throw (SPST) configuration, this open-low pressure switch is built for precise operation in walk-in coolers, freezers, and condensing units.
The 2891402 is functionally identical to the Johnson Controls P70AB-1, offering a reliable drop-in solution for legacy systems. It features an adjustable range from 20" Hg to 100 PSI, allowing technicians to fine-tune cut-in and cut-out settings to meet specific manufacturer requirements. This flexibility is vital for maintaining system efficiency and preventing vacuum conditions that can lead to motor burnout or oil contamination. The 1/4" male flare connection ensures a secure, leak-proof interface with standard refrigeration lines.
Professional Benefits:
- OEM Compatibility: Replaces P70AB-1 and P70AB-1D, ensuring exact fitment in Heatcraft, Bohn, and Larkin equipment.
- Compressor Protection: Prevents short-cycling and damage caused by low refrigerant levels or evaporator icing.
- Technical Precision: Adjustable setpoints allow for tight control over pump-down cycles and safety shutdowns.
- Industrial Durability: Robust heavy-duty contacts and internal bellows are designed to withstand the high-vibration environment of a mechanical room.
Common Questions:
Is the Heatcraft 2891402 a direct replacement for the Johnson Controls P70AB-1?
Yes, it is the updated OEM part number for the P70AB-1 series, featuring the same SPST open-low action and adjustable 20"/100# pressure range.
What type of refrigerants is this switch compatible with?
It is designed for use with all common non-corrosive refrigerants used in commercial HVACR systems, including R-22, R-404A, and R-134a.
Can this be used for high-pressure cut-out applications?
No, this is specifically an open-low switch. For high-side protection, a dedicated high-pressure manual or automatic reset switch should be used.
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.
