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The Open Air Over (OAO) enclosure relies on the system's airflow for cooling
This Lennox heat strip is primarily designed for use with CBX25UH and CBX25UHV air handlers
Precise 1/2-inch Bore: Ensures a secure
Enhanced Durability: Silver cadmium oxide contacts offer superior conductivity and resistance to pitting
or excessive "play" on the shaft
Siemens Building Technology QFM3101 Sensor 318518-761 The Open Air Over (OAO)The Siemens Building Technology QFM3101 is a high precision duct relative humidity sensor designed for demanding building automation and HVAC control applications. Featuring a robust 4 20mA output signal, this sensor provides a linear 0 100% RH measurement with a strict 2% accuracy rating. Engineered for professional grade reliability, it functions as a direct functional cross for the HD2XMSX, ensuring seamless integration into existing control loops