Trane VAL9890 Service Valve R-407A Enhanced Safety: Monitors system parameters

Enhanced Safety: Monitors system parameters to ensure safe operation and prevent mechanical overheating

The Antunes Controls 804112109 (Model RHLGP-A) is a field-adjustable high-low gas pressure switch designed for critical monitoring in industrial and commercial combustion systems

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

The SPDT (Single Pole Double Throw) electrical configuration enables flexible wiring for both alarm indication and system shutdown

reducing the number of tools needed on-site

Trane VAL9890 Service Valve R-407A Enhanced Safety: Monitors system parametersThe 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