The McDonnell & Miller 314100 Valve Gasket is a critical sealing component engineered for high-performance boiler water feeders and low water cut-off systems

Common Questions: Is this dial compatible with horizontal thermostats

As a professional-grade liquid line filter drier

effectively stopping operation if vent blockages or flue gas backflow occur

it is a flanged detector base that includes a decorative ring to provide a clean finish against the ceiling surface

Robertshaw 41-590 Ignitor The McDonnell & Miller 314100The Robertshaw 41 590 Silicone Carbide Ignitor is a high performance hot surface igniter designed for specialized 120V AC gas fired applications. Engineered as a 41 590 direct replacement for 101, this unit features a flat tip style optimized for rapid heat up and reliable ignition in residential and commercial environments. The core is constructed from high purity, non porous silicone carbide, providing the thermal conductivity and structural