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Check Valves and Backflow Preventers

28 Results Found that Include 47 Products 

Results per page: 16 | 32 | 48
    Ball Cone Spring Check Valve,1/2 In.
    • APOLLO
    • Ball Cone Spring Check Valve, 1/2 In.Ball Cone Spring Check Valve
    • Item # 1CKU8
    • Mfr. Model # 6210301
    • Ball Cone Spring Check Valve, Material of Construction Stainless Steel, Size 1/2 In., Connection Type FNPT,...More

    Dual Check Backflow Preventer,3/8 In
    • WATTS
    • Dual Check Backflow Preventer, 3/8 InDual Check Valve
    • Item # 5AJ86
    • Mfr. Model # SD2-MF 3/8"
    • Dual Check Valve, Material of Construction 316 Stainless Steel, Size 3/8 In., Connection Type Male Flare,...More

    Anti-Siphon Vacuum Breaker,1/2 in.
    • WATTS
    • Anti-Siphon Vacuum Breaker, 1/2 in.Anti-Siphon Vacuum Breaker
    • Item # 29YL75
    • Mfr. Model # LF288A-1/2"
    • Anti-Siphon Vacuum Breaker, Size 1/2 In., Connection Type NPT, Material of Construction Lead Free Brass, Seal...More

    Spring Foot Valve,Low Lead Brass,2 In.
    • CAMPBELL
    • Spring Foot Valve, Low Lead Brass, 2 In.Spring Foot Valve
    • Item # 36Y056
    • Mfr. Model # FV-8TLF
    • Spring Foot Valve, Material of Construction Low Lead Brass, Size 2 In., Connection Type FNPT, Length 3 In.,...More

    Check Valve with Ball Valve,PVC,2 In.
    Check Valve,PVC,3/4 In.,FNPT
    • PLAST-O-MATIC
    • Check Valve, PVC, 3/4 In., FNPTCheck Valve
    • Item # 11D187
    • Mfr. Model # CKM075V-PV
    • Check Valve, Material of Construction PVC, Size 3/4 In., Connection Type FNPT, Length 4-1/8 In., Width...More

    Low Lead Swing Check Valve,Bronze,3/4
    • MILWAUKEE VALVE
    • Low Lead Swing Check Valve, Bronze, 3/4Low Lead Swing Check Valve
    • Item # 5EMX3
    • Mfr. Model # UP509 3/4
    • Low Lead Swing Check Valve, Material of Construction Bronze, Size 3/4 In., Connection Type Threaded, Length...More

    Double Disc Check Valve,Cast Iron,2 In.
    • SSI
    • Double Disc Check Valve, Cast Iron, 2 In.Double Disc Check Valve
    • Item # 1RXJ7
    • Mfr. Model # 0200-125WTIBB-T
    • Double Disc Check Valve, Material of Construction Cast Iron, Size 2 In., Connection Type 125 Class Wafer...More

    Single Check Kit,3/4 to 1 In
    Spring Check Valve,Bronze,2 In.,Solder
    • GRAINGER APPROVED VENDOR
    • Spring Check Valve, Bronze, 2 In., SolderSpring Loaded Check Valve
    • Item # 6AJZ2
    • Mfr. Model # 6AJZ2
    • Spring Check Valve, Material of Construction Bronze, Size 2 In., Connection Type Solder, Length 6-1/16 In.,...More

    Flow Check Valve,1-1/4 In,FNPT,Cast Iron
    Check Valve,Lead Free Brass,1-1/4 In.
    • CAMPBELL
    • Check Valve, Lead Free Brass, 1-1/4 In.Check Valve
    • Item # 4YFC7
    • Mfr. Model # 4062E
    • Check Valve, Material of Construction Lead Free Brass, Size 1-1/4 In., Connection Type FNPT, Length 3-3/4...More

    Vacuum Breaker,1 In,FNPT,125 psi,125 psi
    • APOLLO
    • Vacuum Breaker, 1 In, FNPT, 125 psi, 125 psiVacuum Breaker
    • Item # 40D836
    • Mfr. Model # 38LF10501
    • Vacuum Breaker, Size 1 In., Connection Type FNPT, Material of Construction Lead-Free Bronze, Seal Silicone,...More

    Vacuum Breaker,1/4 In.,FNPT,125 psi
    • WATTS
    • Vacuum Breaker, 1/4 In., FNPT, 125 psiVacuum Breaker
    • Item # 3AZC8
    • Mfr. Model # 1/4 N388C
    • Vacuum Breaker, Size 1/4 In., Connection Type FNPT, Material of Construction Polished Chrome, Seal Silicone,...More

    Flow Check Valve,3/4 In,Sweat,Bronze
    • WATTS
    • Flow Check Valve, 3/4 In, Sweat, BronzeFlow Check Valve,3/4 In,Sweat,Bronze
    • Item # 4A816
    • Mfr. Model # 2000S 3/4
    • Flow Check Valve, Material of Construction Bronze, Size 3/4 In., Length 3 In., Mounting Position Horizontal,...More

    Relief Valve Repair Kit
    • WATTS
    • Relief Valve Repair KitRelief Valve Repair Kit
    • Item # 30UK41
    • Mfr. Model # LFRK 909-RV 3/4-1
    • Relief Valve Repair Kit, For Use With Watts Series LF909, 3/4 In. to 1 In., Includes Diaphragm, Disc...More

    Low Lead Spring Check Valve,Bronze,1-1/4
    • MILWAUKEE VALVE
    • Low Lead Spring Check Valve, Bronze, 1-1/4Spring Check Valve
    • Item # 5EMZ6
    • Mfr. Model # UP1548T 1 1/4
    • Low Lead Spring Check Valve, Material of Construction Bronze, Size 1-1/4 In., Connection Type Solder, Length...More

    Atmospheric Vacuum Breaker,Steam Service
    Backflow Quick Connect 1/2in NPT x 1/4in
    Dual Check Valve,1 In,MNPTxUnion FNPT
    • WILKINS
    • Dual Check Valve, 1 In, MNPTxUnion FNPTBackflow Preventer
    • Item # 22N555
    • Mfr. Model # 1MX1UF-700XL
    • Dual Check Valve, Material of Construction Low Lead Bronze, Size 1 In., Connection Type MNPT x Union FNPT,...More

    Results per page: 16 | 32 | 48