Field technicians often refer to this as a high limit switch or temperature limit control because of its critical role in protecting the compressor and heating elements from thermal overload

Complete Installation Kit: Includes all necessary gaskets and hardware to ensure a leak-free installation

The kit includes a universal wiring harness and a drill template for units requiring revised mounting points

Built with a durable zinc body and a 5-ounce polycarbonate bowl

high-pressure performance in demanding commercial environments

Patterson-Kelley 26-0000-0297 Pressure Switch 321894-708 Field technicians often refer toThe Patterson Kelley 26 0000 0297 High Gas Pressure Switch is a critical safety component designed for heavy duty commercial boiler gas trains. Engineered to monitor inlet gas pressure, this OEM replacement part ensures that your heating system operates within safe hydraulic and pneumatic parameters. This switch is typically integrated into the NURO control system or legacy Patterson Kelley platforms, where it functions as a manual reset safety limit