PARKER CHECK VALVE 1-1/8 X 1-1/8 CV11P-18FS - 18FS Breadcrumb Home / Products / Parts / Valves and Valve Accessories / Check Valves Loading... Mfg Part #: 274037-15 Brand: Parker Connection Size (In.): 1-1/8 Diameter (In.): 1.375 Length (In.): 5