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Check Valves and Backflow Preventers

33 Results Found that Include 50 Products 

Results per page: 16 | 32 | 48
  • GRAINGER APPROVED VENDOR
  • Swing Check Valve
  • Multiple product options available

Ball Cone Spring Check Valve,Bronze,1In.
  • APOLLO
  • Ball Cone Spring Check Valve, Bronze, 1In.
  • Item # 1CKT9
  • Mfr. Model # 6110501
  • Ball Cone Spring Check Valve, Material of Construction Bronze, Size 1 In., Connection Type FNPT, Length 3-1/2...More

  • HAYWARD
  • Check Valve
  • Multiple product options available

Air Gap,1/4 to 1/2 In,Use w/Series 909
  • WATTS
  • Air Gap, 1/4 to 1/2 In, Use w/Series 909
  • Item # 1KYE8
  • Mfr. Model # 909 AGA
  • Air Gap, For Use With Series 909, 1/4 In. to 1/2 In., Size 1/4 In. to 1/2 In., Connection Type NPT, Length...More

Low Lead Spring Check Valve,Bronze,1 In.
  • MILWAUKEE VALVE
  • Low Lead Spring Check Valve, Bronze, 1 In.
  • Item # 5EMY8
  • Mfr. Model # UP548T 1
  • Low Lead Spring Check Valve, Material of Construction Bronze, Size 1 In., Connection Type Threaded, Length...More

  • GEORG FISCHER
  • Check Valve
  • Multiple product options available

Vacuum Breaker,1 In.,NPT,Bronze,125 psi
  • APOLLO
  • Vacuum Breaker, 1 In., NPT, Bronze, 125 psi
  • Item # 3HFF6
  • Mfr. Model # 3810501
  • Vacuum Breaker, Size 1 In., Connection Type NPT, Material of Construction Bronze, Seal Silicone, Max....More

Swing Check Valve,Bronze,3/4 In.,FNPT
  • MILWAUKEE VALVE
  • Swing Check Valve, Bronze, 3/4 In., FNPT
  • Item # 1JML1
  • Mfr. Model # 510T 3/4
  • Swing Check Valve, Material of Construction Bronze, Size 3/4 In., Connection Type FNPT, Length 2-5/8 In., Cap...More

Check Valve with Ball Valve,PVC,1-1/2
  • DAYTON
  • Check Valve with Ball Valve, PVC, 1-1/2
  • Item # 4RG92
  • Mfr. Model # 4RG92
  • Check Valve with Ball Valve, Material of Construction PVC, Size 1-1/2 In., Connection Type Socket, Mounting...More

Full Flow Check Valve,PVC,3 In.
  • ZOELLER
  • Full Flow Check Valve, PVC, 3 In.
  • Item # 6JGV7
  • Mfr. Model # 30-0044
  • Full Flow Check Valve, Material of Construction PVC, Size 3 In., Connection Type Solvent Weld, Length 9-5/8...More

  • GF PIPING SYSTEMS
  • Y Check Valve
  • Multiple product options available

Swing Check Valve,Bronze,1 In.,Solder
  • MILWAUKEE VALVE
  • Swing Check Valve, Bronze, 1 In., Solder
  • Item # 4EVH5
  • Mfr. Model # 1509 1"
  • Swing Check Valve, Material of Construction Bronze, Size 1 In., Connection Type Solder, Length 4 In., Overall...More

Repair Kit,Watts Series 009 M2, 3/4 In
  • WATTS
  • Repair Kit, Watts Series 009 M2, 3/4 In
  • Item # 6CUL8
  • Mfr. Model # 009 M2 3/4 2nd Check Kit
  • Second Check Valve Repair Kit, For Use With Watts Series 009 M2, 3/4 In., Includes Check Assembly, Cover...More

Test Cock Adapter Kit
  • MIDWEST INSTRUMENT
  • Test Cock Adapter Kit
  • Item # 6AJW0
  • Mfr. Model # 110631
  • Test Cock Adapter Kit, Includes Three 1/4 In. NPT Quick Connects x 1/4 In. Flare and Three Spare O-Rings, For...More

Check Valve,1 x 1 In. ,P x P
  • VIEGA PROPRESS
  • Check Valve, 1 x 1 In. , P x P
  • Item # 5ULY0
  • Mfr. Model # 79045
  • Check Valve, Material of Construction Low Lead Bronze, Size 1 In. x 1 In., Connection Type P x P, Max. Water...More

Atmospheric Vacuum Breaker,Steam Service
  • SPENCE
  • Atmospheric Vacuum Breaker, Steam Service
  • Item # 6AWD2
  • Mfr. Model # VB0125
  • Atmospheric Vacuum Breaker, Steam Service, Size 1/8 In., Connection Type MNPT, Material of Construction...More

  • HAMMOND VALVE
  • Swing Check Valve
  • Multiple product options available

Check Valve,Lead Free Bronze,1 In.
  • APOLLO
  • Check Valve, Lead Free Bronze, 1 In.
  • Item # 40D882
  • Mfr. Model # 61LF10501
  • Check Valve, Material of Construction Lead Free Bronze, Size 1 In., Connection Type FNPT, Length 3-1/2 In.,...More

Swing Check Valve,Bronze,3/4 In.,FNPT
  • MILWAUKEE VALVE
  • Swing Check Valve, Bronze, 3/4 In., FNPT
  • Item # 4EVJ5
  • Mfr. Model # 515 3/4"
  • Swing Check Valve, Material of Construction Bronze, Size 3/4 In., Connection Type FNPT, Length 2-5/8 In.,...More

Relief Valve Repair Kit,3/4 - 1 In
  • FEBCO
  • Relief Valve Repair Kit, 3/4 - 1 In
  • Item # 15W042
  • Mfr. Model # 905043
  • Relief Valve Repair Kit, For Use With Febco Backflow, 3/4 to 1 In., Includes (2) Each: O-Rings, (1) Each:...More

Spring Foot Valve,Low Lead Brass,1-1/2
  • CAMPBELL
  • Spring Foot Valve, Low Lead Brass, 1-1/2
  • Item # 36Y055
  • Mfr. Model # FV-6TLF
  • Spring Foot Valve, Material of Construction Low Lead Brass, Size 1-1/2 In., Connection Type FNPT, Length...More

Oil Patch Swing Check Valve,Ductile Iron
  • SHARPE VALVES
  • Oil Patch Swing Check Valve, Ductile Iron
  • Item # 39C404
  • Mfr. Model # "SVOP20DB6VV010"
  • Oil Patch Swing Check Valve, Material of Construction Ductile Iron, Size 1 In., Connection Type FNPT, Max....More

Dual Check Valve,3/4 In,MNPT x FNPT
  • WILKINS
  • Dual Check Valve, 3/4 In, MNPT x FNPT
  • Item # 22N553
  • Mfr. Model # 34MX34UF- 700XL
  • Dual Check Valve, Material of Construction Low Lead Bronze, Size 3/4 In., Connection Type MNPT x Union FNPT,...More

Vent Elbows,Watts Series 909 ELC
Water Check Valve,1/2 in.,5800 psi
  • MECLINE
  • Water Check Valve, 1/2 in., 5800 psi
  • Item # 20FV61
  • Mfr. Model # CV3-40012
  • Check Valve, Material of Construction Brass/Stainless Steel/Buna N, Size 1/2 In., Connection Type FNPT,...More

Flow Check Valve,3/4 In,Sweat,Brass
  • APOLLO
  • Flow Check Valve, 3/4 In, Sweat, Brass
  • Item # 6KJ84
  • Mfr. Model # 35FC402
  • Flow Check Valve, Material of Construction Brass, Size 3/4 In., Length 3-1/2 In., Mounting Position...More

Check Valve,1/8 In. to 1/4 In.,PK 6
  • BEL-ART - SCIENCEWARE
  • Check Valve, 1/8 In. to 1/4 In., PK 6
  • Item # 46C905
  • Mfr. Model # H19715-0000
  • Check Valve, Material of Construction Polypropylene, Size 1/8 In. Tapers To 1/4 In., Connection Type Barb,...More

Vacuum Breaker,3/4 in,NPT,125 psi
  • APOLLO
  • Vacuum Breaker, 3/4 in, NPT, 125 psi
  • Item # 31EE45
  • Mfr. Model # 38LF10403
  • Vacuum Breaker, Size 3/4 In., Connection Type NPT, Material of Construction Lead-Free Rough Chrome, Seal...More

Dual Check Valve,3/4 In,SWVxNPT,LF Brnz
  • APOLLO
  • Dual Check Valve, 3/4 In, SWVxNPT, LF Brnz
  • Item # 40D864
  • Mfr. Model # 4NLF3S54A
  • Dual Check Valve, Material of Construction Lead Free Bronze, Size 3/4 In., Connection Type SWV X NPT, Length...More

Results per page: 16 | 32 | 48