1-1/2", Forged Steel Class 800 Piston Check Valve, FNPT, Chicago Valves And Controls, Mfr#: P484TE015$160.99+
Y-Check Valve, True Union, Spring-Loaded, 1-1/4", PVC/FPM, Threaded, Adjustable 2-15 psi, Hayward Flow Control, Mfr#: SLC10125TU$390.36+
3/8", Stainless Steel Class 800 Swing Check Valve, SW, Chicago Valves And Controls, Mfr#: 486SW004$199.99+
0.75" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Weld Conn, T316, FPM; Ygros EDF-3A-W-.75-V-316, Springer Parts, Mfr#: EDF-3A-W-.75-V-316SP$1,183.99+
1/4" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 7 PSI CRACKING PRESSURE, Anchor Fluid Power, Mfr#: CN1/4-1-7$46.29+