McDonnell & Miller 341900 Bellows Assembly Els PW 29614 while a red light signals

while a red light signals an alarm condition

ensuring the mechanical balance of the fan assembly remains within factory tolerances

Most failures result from worn bearings or unbalanced blower wheels

requiring a constant pilot flame for the ignition sequence of the main burner

McDonnell & Miller 341900 Bellows Assembly Els PW 29614 while a red light signalsThe McDonnell & Miller 341900 (Model SA47 104) is a critical replacement bellows assembly engineered specifically for Series 247 and Series 247 2 mechanical water feeders. As a veteran grade low water cut off component, this assembly facilitates the vital mechanical link between the float arm and the valve sealing mechanism. By utilizing a high integrity large bellows design, it ensures a hermetic seal that prevents boiler water from entering the