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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
If your sequence of operation requires a different range
Replacing a worn or drifting switch with this factory-spec component is essential for restoring the HVAC high limit safety standards of the original equipment
The package contains a core assembly
protecting system components from thermal stress
Trane SWT3982 Switch 321894-709 If your sequence of operationThe Trane SWT3982 is a critical high limit reverse flow switch designed for precision thermal monitoring in light commercial and residential HVAC systems. Engineered for specific setpoints, this bimetal snap action switch features a 105F opening temperature and resets on a temperature fall at 95F. This 10 degree differential ensures stable cycling and prevents short cycling of the compressor or heater banks during low airflow conditions. Built to