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this SPST normally closed switch provides reliable thermal protection by monitoring plenum temperatures
visible setpoint verification and range adjustment
typically found in models requiring a 35-inch length profile and a 5-inch diameter footprint
Industrial-Grade Construction: Built with stainless steel and brass to resist corrosion in hydronic piping systems and water treatment applications
Trane SFSWT3535 Contactor 30067439-890 this SPST normally closed switchWhen you need to expand your control logic on a job site, the Trane SFSWT3535 auxiliary switch is the standard for residential and light commercial HVAC applications. This OEM replacement part is specifically engineered to mount onto 20A to 60A contactors, providing a dual 2SPDT (Double Single Pole Double Throw) configuration. Technicians utilize this module to manage secondary circuits, such as interlocking crankcase heaters, status indicator lights,
