Trane VAL9890 Service Valve R-407A Precision Sensing: Includes an internal

Precision Sensing: Includes an internal humidity sensor and dedicated terminals for 4–20 mA remote humidity sensors and 10K type 2 remote temperature sensors

reducing the number of tools needed on-site

Provides necessary clearance for crank arm rotation in downward positions

this model is externally equalized

Trane VAL9890 Service Valve R-407A Precision Sensing: Includes an internalThe Trane VAL9890 is a high performance 1 3 8" Right Hand Service Valve engineered for heavy duty commercial and residential condensing units. This HVAC refrigeration service valve is a critical OEM Trane replacement part designed to provide a reliable isolation point for refrigerant during system commissioning or routine maintenance. With a 1. 38 ID connection, it ensures minimal pressure drop across the line while maintaining a leak proof seal under