Common Questions & Technical Insights Does this include the solenoid coil

For service technicians maintaining Williams direct vent wall furnaces or gravity heating systems

This specific McDonnell & Miller controller is optimized for steam boiler service and pump control logic rather than hydronic heating expansion tanks

What refrigerant is the 669682R compatible with

Key Benefits for the Contractor: Exact OEM Replacement: The 8604-100BX is a direct successor to the 8604-100

ASCO 8040G022C7400F0 Valve 320788-702 Common Questions & Technical InsightsThe ASCO 8040G022C7400F0 Valve is a high performance 1 2" 120V gas shutoff valve engineered for critical safety and flow control in industrial and HVACR systems. As a normally closed solenoid valve, it serves as a reliable emergency control mechanism, immediately halting the flow of natural gas, propane, or inert gases during power loss or system triggers. With a robust aluminum body and a high 5. 4 Cv flow capacity, this 8040 Series component is