Manufacturer Name: Cleveland Controls Product Number: NS2-1306-01 OEM Part Number: NS2-1306-01 The Cleveland Controls NS2-1306-01 Adjustable Pressure Switch is a vital component in HVAC systems, designed to regulate pressure levels effectively. This switch functions by sensing changes in air pressure https://www.partshnc.com/ns2-1306-01-cleveland-controls-adjustable-pressure-switch