By utilizing high-gauge steel with a corrosion-resistant finish

Additional trippers (part number 156EB1945A) can be added to achieve the maximum 12-cycle limit

Always verify the rotation of your existing fan blade before ordering to ensure proper airflow direction

Always verify your specific wiring diagram and switch logic before installation

Cleveland Controls NS2-1227-02 Pressure Switch 320074-702 By utilizing high-gauge steel withThe Cleveland Controls NS2 1227 02 Pressure Switch is a high performance OEM replacement airflow sensor engineered for precise monitoring of positive, negative, or differential air pressure in HVAC induction systems and furnace draft control. This NS2 series air pressure switch features a durable, glass filled polycarbonate housing that ensures thermal stability and contaminant free operation in demanding commercial and residential environments.