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Check Valves & Backflow Preventers
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Type
Preventer (8)
Nominal Size
1 1/2 in (1)
1 1/4 in (1)
1 in (5)
1-1/2 in (2)
1-1/4 in (3)
1/2 in (2)
2 in (4)
3 in (2)
3/4 in (5)
End Style
FNPT (14)
FNPT Union x FNPT (1)
Flanged (9)
Flanged x Groove (1)
Ball Valve/Gate Valve Type
Non-Rising Stem Gate Valve/Butterfly Valve (1)
Outside Stem and Yoke Gate Valve (1)
Quarter-Turn Ball Valve (3)
Backflow Type
Double Check (5)
Dual Check (5)
Reduced Pressure (14)
Body Material
304L Stainless Steel (2)
Bronze (1)
Cast Bronze (19)
Lead-Free Bronze (3)
Finish
Stainless steel (6)
Domestic/Import
Domestic (2)
Import (2)
Backflow Preventers
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Zurn Wilkins 1-350XL 350XL Backflow Preventer, 1 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Lead-Free Bronze Body, Dual Check, Import
MFG #
1-350XL
Part #
4338
Brand
Zurn® Wilkins
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Zurn Wilkins 1-375XL 375XL Water Control Preventer, 1 in Nominal, Flanged End Style, Cast Bronze Body, Reduced Pressure
MFG #
1-375XL
Part #
4344
Brand
Zurn® Wilkins
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Zurn Wilkins 1-950XL3 950XL3 Double Check Backflow Preventer, 1 in Nominal, FNPT End Style, Cast Bronze Body, Double Check, Bronze
MFG #
1-950XL3
Part #
206668
Brand
Zurn® Wilkins
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Zurn Wilkins 1-975XL 975XL Water Control Preventer, 1 in Nominal, Flanged End Style, Cast Bronze Body, Reduced Pressure
MFG #
1-975XL
Part #
4354
Brand
Zurn® Wilkins
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Zurn Wilkins 1-975XL3 975XL3 Reduced Pressure Backflow Preventer, 1 in Nominal, FNPT End Style, Cast Bronze Body, Reduced Pressure, Bronze
MFG #
1-975XL3
Part #
206674
Brand
Zurn® Wilkins
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Zurn Wilkins 112-375XL 375XL Water Control Preventer, 1-1/2 in Nominal, Flanged End Style, Cast Bronze Body, Reduced Pressure
MFG #
112-375XL
Part #
4346
Brand
Zurn® Wilkins
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Zurn Wilkins 112-950XL3 950XL3 Double Check Backflow Preventer, 1-1/2 in Nominal, FNPT End Style, Cast Bronze Body, Double Check, Bronze
MFG #
112-950XL3
Part #
206670
Brand
Zurn® Wilkins
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Zurn Wilkins 112-975XL3 975XL3 Reduced Pressure Backflow Preventer, 1-1/2 in Nominal, FNPT End Style, Cast Bronze Body, Reduced Pressure, Bronze
MFG #
112-975XL3
Part #
206676
Brand
Zurn® Wilkins
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Zurn Wilkins 114-350XL 350XL Backflow Preventer, 1-1/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Lead-Free Bronze Body, Dual Check, Domestic
MFG #
114-350XL
Part #
4339
Brand
Zurn® Wilkins
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Zurn Wilkins 1-350XL 350XL Backflow Preventer, 1 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Lead-Free Bronze Body, Dual Check, Import
MFG #
1-350XL
Part #
4338
Brand
Zurn® Wilkins
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Add to List
Zurn Wilkins 1-375XL 375XL Water Control Preventer, 1 in Nominal, Flanged End Style, Cast Bronze Body, Reduced Pressure
MFG #
1-375XL
Part #
4344
Brand
Zurn® Wilkins
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Compare
Add to List
Zurn Wilkins 1-950XL3 950XL3 Double Check Backflow Preventer, 1 in Nominal, FNPT End Style, Cast Bronze Body, Double Check, Bronze
MFG #
1-950XL3
Part #
206668
Brand
Zurn® Wilkins
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Compare
Add to List
Zurn Wilkins 1-975XL 975XL Water Control Preventer, 1 in Nominal, Flanged End Style, Cast Bronze Body, Reduced Pressure
MFG #
1-975XL
Part #
4354
Brand
Zurn® Wilkins
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Compare
Add to List
Zurn Wilkins 1-975XL3 975XL3 Reduced Pressure Backflow Preventer, 1 in Nominal, FNPT End Style, Cast Bronze Body, Reduced Pressure, Bronze
MFG #
1-975XL3
Part #
206674
Brand
Zurn® Wilkins
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Compare
Add to List
Zurn Wilkins 112-375XL 375XL Water Control Preventer, 1-1/2 in Nominal, Flanged End Style, Cast Bronze Body, Reduced Pressure
MFG #
112-375XL
Part #
4346
Brand
Zurn® Wilkins
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Add to List
Zurn Wilkins 112-950XL3 950XL3 Double Check Backflow Preventer, 1-1/2 in Nominal, FNPT End Style, Cast Bronze Body, Double Check, Bronze
MFG #
112-950XL3
Part #
206670
Brand
Zurn® Wilkins
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Compare
Add to List
Zurn Wilkins 112-975XL3 975XL3 Reduced Pressure Backflow Preventer, 1-1/2 in Nominal, FNPT End Style, Cast Bronze Body, Reduced Pressure, Bronze
MFG #
112-975XL3
Part #
206676
Brand
Zurn® Wilkins
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Zurn Wilkins 114-350XL 350XL Backflow Preventer, 1-1/4 in Nominal, FNPT End Style, Quarter-Turn Ball Valve, Lead-Free Bronze Body, Dual Check, Domestic
MFG #
114-350XL
Part #
4339
Brand
Zurn® Wilkins
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