021-261

This professional-grade low-pressure control switch is a critical safety component designed for HVAC, refrigeration, and industrial air systems. Functioning as an air-proving and pressure-monitoring device, it helps protect equipment by automatically opening the electrical circuit when pressure levels drop to 15 PSIG. This cutout mechanism is essential for preventing compressor damage and ensuring the system does not operate under unsafe, low-pressure conditions. With a reliable reset range of 8-12 PSIG, this pressure switch offers precision and consistency for air handling units and chiller systems. It is an ideal replacement part for maintaining system integrity, improving operational efficiency, and preventing costly mechanical failures in commercial and residential climate control applications.
Type: Low Pressure Control Switch / Air Proving Switch
Size: Small
Application: Commonly used in HVAC systems, commercial chillers, refrigeration units, and industrial air handling equipment to monitor low-pressure thresholds and ensure proper air proving for safe operation.
Specifications: Cutout Pressure: 15 PSIG (Open); Reset/Differential Range: 8-12 PSIG; Function: Low pressure safety cutout and air proving.