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Rugged Construction: Built to endure rigorous thermal cycling in both residential furnaces and high-demand commercial water heaters
providing the precise vacuum detection required for furnace inducer motor verification
It must be energized at least 24 hours prior to initial system startup or after long shutdowns to boil off accumulated refrigerant
this is a 1-pole unit with a shunt
Trane SWT3732 Switch R-407C Rugged Construction: Built to endureFor veteran contractors servicing industrial and residential units, the Trane SWT3732 is the go to triple pole double throw (3PDT) switch for maintaining multi speed system control. This HVAC toggle switch is engineered with a distinct High Off Low configuration, allowing for precise manual oversight of blower motors and fan speeds. Rated for 17 Amps at 124 Volts, its robust construction ensures it handles the inductive loads typical of Trane furnace
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