McDonnell & Miller 343200 Bellows Assembly Els PW 29614 Operational Reliability: Minimizes nuisance alarms

Operational Reliability: Minimizes nuisance alarms and "High Temp" service lights often caused by aging or degraded aftermarket sensors

Optimized Combustion: Features precision-drilled orifices to maintain the 100

or a visible loss of tension in the actuator assembly

Self-Powered Sensing: High-performance liquid-filled element operates the switches without the need for an external power source

ensuring exact fit and pin-to-pin alignment without field modifications

McDonnell & Miller 343200 Bellows Assembly Els PW 29614 Operational Reliability: Minimizes nuisance alarmsThe McDonnell & Miller 343200 Bellows Assembly (Model SA63 5) is the critical mechanical linkage used in Series 63 low water cut offs. As a veteran grade replacement component, this assembly mediates the movement between the internal float and the electrical switch, ensuring the heavy duty performance required for commercial and industrial steam boiler safety. This genuine OEM replacement part includes the bellows, the CO 106 cam assembly, and the CO