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or the unit entering a lockout state due to a failed flame rectification signal
mineral deposits from hard water can block the small orifice or tear the mesh strainer
Typical indicators include the valve failing to reach full close-off
This pack of five high-performance seals is the engineered replacement for the discontinued 324435 part number
Trane SWT1259 Limit Switch or the unit entering aThe Trane SWT1259 Limit Switch is a critical furnace safety control designed to monitor high limit temperatures within the heat exchanger. This OEM furnace limit switch features an auto reset mechanism with a fixed 190 degree trip point and a 160 degree reset point, ensuring precise thermal protection for residential and commercial gas furnaces. Engineered with a 3 inch insertion length, this bimetal disc thermostat (L190 30F) acts as a normally