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For field techs managing low-pressure protection in commercial and residential systems
Provides dedicated terminals for outdoor sensors
this unit is widely used for OEM replacement and preventive maintenance applications
ensuring rapid drop-in replacement
Cleveland Controls NS2-503-00 Pressure Switch 318820-201 For field techs managing low-pressureThe Cleveland Controls NS2 0503 00 is a high performance narrow differential air pressure sensing switch designed for reliable HVAC furnace draft monitoring and proving airflow in residential and light commercial applications. Engineered with a fixed set point of 0. 96" W. C., this diaphragm operated switch ensures precise combustion blower safety by detecting pressure drops or venting obstructions. The NS2 0503 00 features a rugged polycarbonate
