Emerson Alco 056819 Expansion Valve 30067439-890 typically turning elements on sequentially

typically turning elements on sequentially within 110 seconds (H110) and off within 110 seconds (C110)

How do I connect the sample lines to this device

For contractors performing annual maintenance

Key Benefits Multi-Stage Control: Supports multi-stage HVAC systems to optimize energy consumption and maintain consistent indoor comfort

Factory-Calibrated Precision: Features a fixed 160 degree cut-out to prevent heat exchanger fatigue and ensure occupant safety

Emerson Alco 056819 Expansion Valve 30067439-890 typically turning elements on sequentiallyThe Emerson Alco 056819 Expansion Valve (Model HFES 8 HCA) is a high performance, balanced ported valve engineered specifically for heavy duty commercial refrigeration and 8rd party heat pump applications. Utilizing a straight body design with 5 8" x 7 8" ODF sweat connections, this externally equalized valve ensures precise refrigerant flow control by compensating for pressure drops across the evaporator. It is optimized for R22 and R407C systems,