Automatic Reset Logic: Eliminates manual intervention by restoring the electrical circuit once the gas pressure recovers to safe operating levels

this specific part number typically includes a removable bypass plug that can be swapped for a provided orifice for continuous minimum flow

If the actuator won't reach full stroke or you hear audible air bypass at the vent

the extended 72-inch length provides the necessary clearance for large-scale equipment footprints

Precision Fit: Designed for seamless integration with Spirax Sarco B Series covers

McDonnell & Miller 194-A-7B Controller R-22 Automatic Reset Logic: Eliminates manualThe McDonnell & Miller 194 A 7B (Part Number 167100) is a heavy duty combination low water cut off and pump controller engineered for commercial and industrial steam boiler applications. Designed to handle a maximum pressure of 250 PSI, this unit integrates a high performance potentiometer switch to provide a proportional 135 ohm signal, ensuring a constant water level is maintained regardless of varying steaming rates. As a veteran grade float