Non-Return & Check Valves PlumbingFittingsNon-Return & Check Valves (21)Brand Jabsco (3) Midland Metal (10) Sea Sense (1) Suardi (4) Whale (3) Price: - US$0.00 - US$50.00 (18)US$50.00 - US$250.00 (2) Product Name A-ZSort by SKUSort by Lowest PriceSort by Highest PriceNewestSort by Status21 Products View: Check Valve, Non-Return Plastic 1.5″ PortsUS$28.27 EACH Check Valve, Non-Return Plastic 1″ PortsUS$28.49 EACH Check Valve, Non-Return Plastic 3/4″ PortsUS$28.49 EACH Check Valve, Non-Return Spring-Type Brass 1.25″US$29.02 EACH Check Valve, Non-Return Spring-Type Brass 1.5″US$37.80 EACH Check Valve, Non-Return Spring-Type Brass 1″ Non-Tapered ThreadUS$19.88 EACH Check Valve, Non-Return Spring-Type Brass 3/4″US$14.88 EACH Check Valve, Plastic Inline Barb:1″or1-1/2″US$26.30 EACH Check Valve, Plastic Inline Barb:3/4″US$22.86 EACH Check Valve, Plastic Inside-Tube-Set 1/2″US$10.71 EACH Check Valve, Spring 1-1/2″ NPT Female Tapered BrassUS$61.55 EACH Check Valve, Spring 1-1/4″ NPT Female Tapered BrassUS$62.18 EACH Check Valve, Spring 1″ NPT Female Tapered BrassUS$46.28 EACH Check Valve, Spring 1/4″ NPT Female Tapered BrassUS$19.18 EACH Check Valve, Spring 3/4″ NPT Female Tapered BrassUS$33.03 EACH Check Valve, Spring 3/8″ NPT Female Tapered BrassUS$22.48 EACH Check Valve, Swing 1-1/2″ NPT Female Tapered Cast BronzeSpecial Order Check Valve, Swing 1″ NPT Female Tapered Cast BronzeUS$35.13 EACH Check Valve, Swing 1/2″ NPT Female Tapered Cast BronzeUS$21.60 EACH Check Valve, Swing 3/4″ NPT Female Tapered Cast BronzeUS$24.85 EACH Y-Connector, 3/4″ or 1-1/8″ with Check ValvesUS$27.58 EACH