Integrated Junction Box: Protects terminal connections and simplifies 120V line-side wiring

With a high-visibility 2 1/2-inch dial and a standard 1/4" NPT male inlet

This is a stem-mount gauge with a center back connection

Ensure the transformer has sufficient VA capacity to handle the solenoid coil draw during the heating cycle

What was the reason for the 950931F part number change

Weil McLain 635-100-022 Valve R-410A Integrated Junction Box: Protects terminalThe Weil McLain 635 100 022 3 way valve body is a professional grade replacement engineered specifically for the Weil McLain CGt Series 1 and 2 residential gas boilers. Designed to replace the VCZMS6100 U, this brass 3 port valve body is critical for maintaining precise boiler water flow control and ensuring thermal balance within hydronic heating systems. As a direct fit HVAC replacement part, it integrates seamlessly with your existing Weil McLain