Manufacturer Name: Veris Industries Product Number: EP2101S OEM Part Number: EP2101S Product Description: 3-15/0-20# Ep Xdcr; Ventonfail Weight:0.53lbs/240.4g The Veris Industries EP2101S 3-15/0-20 Ep Xdcr; Ventonfail is a cutting-edge pressure transducer intended for precision monitoring in HVAC systems. It reliably measures pressure differences between 3 and 15 PSI or 0 and 2... https://www.partshnc.com/ep2101s-veris-industries-3-150-20-ep-xdcr;-ventonfail