McDonnell & Miller 347900 Assembly and Gaskets Freon Durable Construction: Engineered to withstand

Durable Construction: Engineered to withstand high combustion chamber temperatures and resist thermal fatigue

Built with high-durability stainless steel bellows and a sturdy metal enclosure

5 MFD / 370V capacitor for high starting torque and improved electrical efficiency

making it a versatile solution for service technicians maintaining legacy HVAC blower assemblies

and high-heat frying applications

McDonnell & Miller 347900 Assembly and Gaskets Freon Durable Construction: Engineered to withstandThe McDonnell & Miller 347900, also identified by model number SA150 106R, is a critical bellows assembly and gasket replacement engineered for Series 150 and 157 low water cut off (LWCO) and pump controllers. For technicians servicing steam boilers, this assembly is the primary pressure sensing component that translates water level changes into mechanical action for the switch head. Constructed with a corrosion resistant Monel bellows, the unit is