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making it an essential component for powering sensitive controllers
Simplified Installation: OEM-spec wiring and mounting configuration reduce field labor and ensure historical performance standards
It is designed to close the circuit automatically once the sensed temperature falls below the reset differential
Designed for normally closed operation
Trane SWT2979 Pressure Switch 321894-709 making it an essential componentThe Trane SWT2979 Pressure Switch is a critical safety component designed for precise draft monitoring in high efficiency Trane and American Standard furnaces. As a OEM dual pressure switch, this part is the direct replacement for legacy part numbers BA20149 and C342634P62. This 2 stage air pressure switch features a dual diaphragm configuration engineered to sense specific vacuum thresholds: the high side is rated to open at 1. 93" W. C. and close at
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