reducing the risk of air infiltration that can lead to improper freezing and evaporator icing

Dual-Function Protection: Merges operating limit functionality with a fixed high limit for redundant system safety

making it a standard choice for industrial power grids

Universal Mounting: Furnished with a standard right-angle bracket to simplify retrofit or new installation on VAV air terminal units

though a 30/370 or 30/440 MFD run capacitor is required for proper operation

Carrier HK02ZB309 Pressure Switch 322838-752 reducing the risk of airThe Carrier HK02ZB309 Pressure Switch is a critical OEM replacement part designed for high pressure monitoring in Carrier, Bryant, and Payne HVAC systems. This vapor pressure switch features precise factory set trip points, with an open pressure of 384 PSI and a close pressure of 309 PSI. Engineered for Puron (R 410A) units, it maintains system integrity by preventing hazardous overpressure events and ensuring the compressor operates within safe