Universal Air Pressure Switch Breadcrumb Home / Products / Parts / Controls / Pressure Switches Loading... Mfg Part #: NS2000031 Brand: ESP Applications: Contains Orifices for Time Delay Applications Pressure Range (In. - W.C.): 0.10" to 10.0" Range (PSI): Positive and Negative Differential Pressure Temp. Range (°F): -40 to 190