Homewerks 240-2-1-1 No-Lead Swing Check Valve, Female Thread x Female Thread, Brass, 1-Inch Product Description Homewerks 240-2-1-1 no-lead 1-inch swing check valve, female thread by female thread connection type, brass. Meets ANSI/NSF 61 low lead requirements. From the Manufacturer Homewerks 240-2-1-1 no-lead 1-inch swing check valve, female thread by female thread connection type, brass. Meets ANSI/NSF 61 low lead requirements. Features Threaded swing check valve Cast Brass swing check valve 1-inch brass swing check valve; Female thread by female thread connection Complies with 0. 25% weighted average lead content on wetted surfaces Maximum operating temperature rating: 200 F Maximum operating pressure rating: 200 PSI non-shock WOG Meets ANSI/NSF 61 low lead requirements