Weil McLain 635-100-022 Valve Refrigerant An open switch usually indicates

An open switch usually indicates a restricted flue

High Pressure Rating: Rated for up to 680 PSI

Frequent tripping is typically an indicator of a venting issue

this SPST auto reset controller ensures the safety of your hardware by preventing excessively low suction pressure

Weil McLain 635-100-022 Valve Refrigerant An open switch usually indicatesThe 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