Febco LFFRK 860 80V VT 2 1 2 10 Part of the RK LF860 LF866 LF880V LF886V Series Window Well Extension Specifications Adjustable Reduced Pressure Range Specifications Adjustable Reduced Pressure Range 100 to 50 Body Material Bronze Brand Watts Gauge Option No Gauge Inlet Connection Size 2 IN Inlet Connection Type Female Threaded Lead Free Not In Scope Maximum Operating Temperature Fahrenheit 400 Maximum Working Pressure BAR 17 ZB453 4NH 7B Improved with a stainless steel relief valve seat for greater dependability and extended valve life This relief valve module kit is used to repair the relief valve module of a 2 1 2 to 10 inch reduced pressure zone assembly