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Common Questions: When should the Trane SWT0628 be replaced
Seamless Integration: Designed as a direct drop-in for 40QN series fan coils and compatible split system indoor units
this black wire sensor is the designated upgrade
This part is supplied as a complete variable speed motor assembly
Siemens Building Technology QPA2060D Sensor 340155-7024 Common Questions: When should theThe Siemens QPA2060D is a dual function room air quality sensor engineered for precise demand controlled ventilation (DCV) in commercial HAVC systems. Utilizing infrared absorption technology (NDIR) for CO2 monitoring, this unit delivers a stable 0 10Vdc output signal across a detection range of 0 2000 PPM. The integrated temperature sensing capabilities allow for simultaneous climate monitoring, reducing the need for multiple wall mounted devices.