If you notice frost on the evaporator or high head pressures

Optimized Diffusion: The wide-gap grid design prevents "gas trapping

Designed as a direct drop-in for several legacy and modern units

It is designed to bridge older component architectures with modern OEM standards

Common Questions What is the correct rotation for the 1172471 motor

McDonnell & Miller 347600 Float, Rod, and Gaskets Els PW 17895 If you notice frost onThe McDonnell & Miller 347600 Float, Rod, and Gaskets Kit (Model SA150 11) is a critical OEM replacement assembly engineered for the Series 150 and 150S boiler water level controls. Professional technicians understand that maintaining low water cut off integrity is non negotiable for system safety. This kit provides the necessary float and rod assembly to ensure precise buoyancy and mechanical actuation within the float chamber. Because steam boiler