Cleveland Controls NS2-503-00 Pressure Switch 318820-201 The 1/2 inch x 1

The 1/2 inch x 1 inch shaft ensures a secure fit with standard blower wheels or fan blades

For field techs managing low-pressure protection in commercial and residential systems

Clear Visibility: Designed to provide a secure seal while allowing for the identification of control parameters through the standard scale window

Common Questions: What type of fuses fit the Carrier 571007

This creates the necessary air seal to prevent exhaust gases from being pulled or pushed into the drain line

Cleveland Controls NS2-503-00 Pressure Switch 318820-201 The 1/2 inch x 1The 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