Watts LFU009M2 QT FS 2 Part of the LFU009 Series roof hatch finder Designed for heavy commercial traffic Designed for heavy commercial traffic and large floor areas Specifications Body Material Iron Brand Watts EAN 098268586398 Inlet Connection Size 1 1 4 IN Inlet Connection Type Female Threaded Inlet Thread Type NPTF Lead Free Not In Scope Maximum Working Pressure PSI 35 Outlet Connection Size 1 1 2 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F383308 Pressure Range Does Not Apply to Product Pressure Relief Setting PSI 45 Series 740 Specification Sheet 174A Alert features available with add on sensor connection kit Features Features flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve