The Xylem-Goulds Pumps 9K712 Pressure Transducer 4-20 mA 300 PSI is a precision pressure-sensing device designed to monitor fluid pressure in HVAC hydronic systems, commercial pumps, and water circulation equipment. It measures system pressure up to 300 PSI and converts the readings into a 4–20 mA electrical signal for compatible pump controllers. Used with Goulds Aquavar IPC, SPD, Hy... https://www.partshnc.com/9k712-xylem-goulds-pumps-pressure-transducer4-20ma300