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This 12 VDC powered sensor offers reliable performance in temperatures ranging from 32°F to 100°F
Replacing a lower-speed motor with this unit will significantly change the airflow/static pressure and may overload the system or damage ductwork
If your current furnace utilizes a metal housing
localized overheating of the motor
Trane SWT2976 Pressure switch R-22 This 12 VDC powered sensorThe Trane SWT2976 Pressure Switch is a critical safety component found in residential and light commercial Trane and American Standard gas furnaces. As a Single Pole Single Throw (SPST) pressure sensor with a factory calibrated setpoint of . 98" WC, it is engineered to verify that the inducer blower motor is generating sufficient static pressure to vent combustion gases safely. If the inducer fan fails to move enough air or a blockage is detected in
