Heatcraft Refrigeration 2891402 20″/100# Open-Low SPST Pressure Switch

Description

The Heatcraft Refrigeration 2891402 is a Single Pole Single Throw (SPST) Open-Low (OPEN-LO) pressure switch engineered for dependable low-pressure protection in commercial refrigeration systems. Designed to open the circuit on a low-pressure condition, this switch helps safeguard compressors and refrigeration equipment from damage caused by insufficient refrigerant pressure or loss of charge.

Key Features

• SPST (Single Pole Single Throw) switching action for straightforward circuit integration
• OPEN-LO (Open on Low Pressure) operation — opens circuit when pressure drops to set point
• Rated at 20″ Hg vacuum / 100 PSI pressure range for broad refrigeration system compatibility
• OEM Heatcraft Refrigeration replacement part — direct-fit reliability
• Provides low-pressure lockout protection to prevent compressor damage
• Compact, rugged construction suited for commercial refrigeration environments

Specifications

• SKU: 2891402
• Brand: Heatcraft Refrigeration
• Switch Type: SPST (Single Pole Single Throw)
• Operation: Open on Low Pressure (OPEN-LO)
• Pressure Rating: 20″ Hg / 100 PSI

Applications

• Commercial refrigeration systems
• Walk-in coolers and freezers
• Condensing units and evaporator coil systems
• Low-pressure safety cutout circuits

Trust Heatcraft Refrigeration OEM parts to maintain peak performance and system reliability. The 2891402 pressure switch is an essential component for protecting your refrigeration investment against low-pressure fault conditions.