A larger opening increases the venting speed for radiators further from the boiler

ensuring reliable current sensing relay performance in both commercial and industrial retrofit applications

Built for high-demand contractor environments

Heavy-Duty Construction: High-grade materials resist oxidation and warping in high-temperature combustion chambers

This York S1-024-34554-000 provides a physical barrier that maintains the internal integrity of the motor in harsh outdoor environments

White-Rodgers 1609-90 Control Els PW 17895 A larger opening increases theThe White Rodgers 1609 90 is a heavy duty hydraulic action refrigeration temperature control designed specifically for demanding commercial and industrial applications. This mechanical control is built for zoning systems where multiple controllers manage a common compressor via separate solenoid refrigerant valves in each zone. Engineered with a two circuit hook up (SPST), the 1609 90 provides a close on rise switch action to ensure positive system