Johnson Controls VG7441RT Valve 318423-701 As an ASME CSD-1 compliant

As an ASME CSD-1 compliant device

The Johnson Controls P20BB-1

This model features a 1/2" NPT lower mount

utilizing a 1-inch blower bearing that meets factory tolerances is essential to prevent housing vibration and premature motor load failure

Replacement is necessary if there is visible burner tube rusting

Johnson Controls VG7441RT Valve 318423-701 As an ASME CSD-1 compliantThe Johnson Controls VG7441RT is a robust 1 1 2 inch normally closed globe valve designed for precise flow control in demanding HVAC applications. Engineered with a cast bronze body and durable brass trim, this 2 way valve features an equal percentage flow characteristic, ensuring stable modulation and linear heat transfer in hydronic systems. With a 28. 9 Cv rating and NPT threaded connections, it handles high capacity requirements while maintaining