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This model features a fully adjustable differential ranging from 35 to 200 PSI
Precise Airflow Monitoring: High-sensitivity diaphragm detects minute changes in static pressure to prevent hazardous combustion conditions
maximizing BTU output in both modes
ensure you are utilizing the correct model for your specific boiler application
Cleveland Controls NS2-0111-00 Pressure Switch 321042-401 This model features a fullyThe Cleveland Controls NS2 0111 00 is an essential OEM air flow pressure sensing switch specifically calibrated at . 45" w. c. for AAON equipment and high performance industrial HVAC systems. This differential pressure switch utilizes a high grade silicone diaphragm and a glass filled polycarbonate housing to provide superior stability in building automation environments. As a veteran preferred HVAC pressure switch, it features an integral SPDT switch