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this switch opens due to insufficient draft in the heat exchanger
Ensures consistent frost removal to maintain high COP (Coefficient of Performance) in cold climates
though you must ensure the total load of all connected devices (valves
but the technical specifications and performance of the 26025B and 26025B/U are identical
System Sensor ST-5 Sampling Tube this switch opens due toThe System Sensor ST 5 is a 5 foot metal sampling tube engineered for high performance smoke detection in HVAC ducts ranging from 4 to 8 feet in width. Built with a durable rigid steel construction, this tube is essential for contractors installing or maintaining duct smoke detectors in commercial and industrial air handling systems. The ST 5 acts as the direct replacement for L 313 1, ensuring seamless integration into legacy systems without the need
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