The System Sensor D2 is compatible with ducts from 1 foot up to 12 feet in width

The VT2517 ensures reliable flow control for fan coils

the models are identical in technical specifications

Engineered for 120V solenoid applications

and shaft seals for a complete leak-proof restoration

Johnson Controls VG1241AF Valve Refrigerant The System Sensor D2 isThe Johnson Controls VG1241AF Valve is a 1 2 inch, two way threaded NPT ball valve engineered for precise flow control in commercial HVAC systems. This 2. 9 Cv control valve features a high grade forged brass body and plated brass trim, specifically designed to regulate the flow of hot water, chilled water, or 50% glycol solutions. Utilizing an integrated Amodel flow characterizing disk, the unit ensures equal percentage flow characteristics,