McDonnell & Miller 343200 Bellows Assembly Refrigerant promoting laminar flow and improving

promoting laminar flow and improving overall HVAC system efficiency

Superior Low-Fire Support: Maintains reliable regulation across a flow range of 20 to 200 CFH

making it a standard for contractors requiring precise thermal expansion control and system safety

If the code persists

McDonnell & Miller 343200 Bellows Assembly Refrigerant promoting laminar flow and improvingThe 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