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and air curtains
polytubing with filter
Simplified Installation: Features a standard stud mount design and 2-inch shaft length for quick field replacement by service technicians
It features a high-sensitivity fan proving switch (diaphragm-style pressure switch) and a specialized electronic post-purge timer that clears combustion gases from the flue after the heating cycle ends
Compare this to your existing unit to ensure proper airflow direction
Johnson Controls HE-69S3-0NP0 Sensor Els PW 17895 and air curtainsThe Johnson Controls HE 69S3 0NP0 is a high precision duct mount humidity and temperature sensor designed for demanding commercial HVAC applications. Featuring a 0 100% relative humidity range with 3% accuracy, this unit utilizes a polymer thin film capacitive sensing element for stable performance and rapid recovery from saturation. This model functions as the direct replacement for the HE 67S3 0N00P, providing a seamless field upgrade while