Home / Backflow Accessories / Check Valves / Single Check Valves - Threaded / 2 1/2 INFilter your Results SizeAll 2 1/2 INFind PartsClear FiltersSKU: WL 40XL2212WILKINS 40XL2 - 2 1/2" IN-LINE SOFT SEATED SINGLE CHECK VALVE (IPS) (LEAD FREE)$645.75Add to CartSign In for Contractor Price