McDonnell & Miller 347900 Assembly and Gaskets Freon Its robust diaphragm construction is

Its robust diaphragm construction is built to withstand rapid cycling and environmental stressors common in commercial HVACR applications

The Rheem-Ruud 47-23113-04 Limit Switch is a critical safety component designed for high-reliability thermal monitoring in residential and commercial HVAC systems

The dial allows for adjustments between 75

and high-heat frying applications

reducing labor time during HVAC motor replacement

McDonnell & Miller 347900 Assembly and Gaskets Freon Its robust diaphragm construction isThe 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