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This valve features a standard 1 1/4" NPT threaded connection
use only with specified Lennox models to ensure safety and performance standards
preventing soot buildup and protecting the structural integrity of the stainless steel combustion chamber
How do I position the sensing bulb
Trane SWT2976 Pressure switch 320720-756 This valve features a standardThe 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
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