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Mahogany paper grain — description and returns beneath the overlapping buy card.
It monitors the pressure difference across fans or filters to ensure the system is moving air correctly before allowing heating or cooling cycles to commence
this OEM replacement part is the correct technical specification for your unit
Direct OEM Compatibility: Serves as a drop-in replacement for legacy CNT07721 and CNT07114 boards
Precise Timing: Factory-calibrated for delay purge functionality to ensure safe and efficient system startups
Trane SEN0999 Temp Sensor 321894-708 It monitors the pressure differenceThe Trane SEN0999 is a high precision mixed air temperature sensor engineered for commercial and industrial air handling units. Featuring a 15 foot capillary tube, this sensor is designed to provide comprehensive average temperature readings across the duct cross section, preventing localized stratification from causing inaccurate system cycling. This OEM Trane replacement is critical for economizer control and maintaining discharge air setpoints
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