Emerson Dual Pressure Control LP/HP

The Ranco O17-R4701-086 Dual Pressure Switch is a reliable safety and control device used in refrigeration and air-conditioning systems to monitor both high and low pressure conditions within the system. Housed in a single compact unit, it helps protect critical components such as compressors, condensers, and evaporators from damage caused by excessive pressure rise or sudden pressure drop.

This pressure switch features automatic reset functionality for both high and low pressure, allowing the system to return to normal operation automatically once the pressure returns to the preset range. This eliminates the need for manual intervention and helps ensure uninterrupted system performance.

The unit also includes a durable metal mounting plate, making installation easier and more secure in HVAC equipment panels. Because of its dependable design and accurate pressure monitoring, the RANCO dual pressure switch is widely used in air conditioning systems, refrigeration units, chillers, and industrial cooling equipment.

The RANCO O17-R4701-086 is also compatible with or equivalent to pressure switches from several other major manufacturers, providing flexibility when replacing or upgrading system components.

Key Features

• Dual pressure control in single compact housing

• Monitors both high and low pressure conditions

• Automatic reset for high and low pressure limits

• Protects compressors and cooling system components

• Metal mounting plate included for easy installation

• Reliable operation in HVAC and refrigeration systems

Equivalent Models

This model can replace or be equivalent to:

• Danfoss KP-15 (060-124166)

• Johnson Controls P78LCA-9300

• Emerson Alco PS2-A7A

• Sanhua PS15-AAL-S51

• Eliwell O17-H4701 / O17-H4758

Applications

• Air conditioning systems

• Refrigeration equipment

• Chiller plants

• Commercial HVAC systems

• Industrial cooling units