the 93G3501 freeze stat provides reliable coil temperature monitoring

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

centered grip on both round and square damper shafts within the specified size range

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

You can verify this by checking the label on your existing part or using a digital manometer to measure the actual draft pressure during the startup sequence

McDonnell & Miller 194-A-7B Controller R-22 the 93G3501 freeze stat providesThe 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