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LEGEND
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Hydronics
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Hydronic Installation Accessories
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Backflow Preventer
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Stocked Items
In Stock
Nominal Size
3/4 in (1)
1/2 in (2)
Flow Rate
3 gpm (3)
Dimensions
4-1/4 in W (1)
4-1/8 in W (2)
Domestic/Import
Import (3)
Series
S-459 (1)
T-459 (2)
Pressure Rating
175 psi (3)
Body Material
Forged Brass (3)
Temperature Rating
210 deg F (3)
End Style
FNPT (2)
C (1)
Backflow Type
Dual Check (3)
Backflow Preventer
4
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LEGEND
1/2 Backflow Prvnt Swt Atmo Vent S459
Part #
115-117
Nominal Size
1/2 in
Flow Rate
3 gpm
Dimensions
4-1/4 in W
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Compare
LEGEND
1/2 Backflow Prvnt Thd Atmo Vent T459
Part #
115-113
Nominal Size
1/2 in
Flow Rate
3 gpm
Dimensions
4-1/8 in W
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Compare
LEGEND
3/4 Backflow Prvnt Thd Atmo Vent T459
Part #
115-114
Nominal Size
3/4 in
Flow Rate
3 gpm
Dimensions
4-1/8 in W
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Compare
LEGEND
Replacement Gasket backflow preventers
Part #
115-920
MFG #
115-920
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Compare
LEGEND
1/2 Backflow Prvnt Swt Atmo Vent S459
Part #
115-117
Nominal Size
1/2 in
Flow Rate
3 gpm
Dimensions
4-1/4 in W
Login for Price
Compare
LEGEND
1/2 Backflow Prvnt Thd Atmo Vent T459
Part #
115-113
Nominal Size
1/2 in
Flow Rate
3 gpm
Dimensions
4-1/8 in W
Login for Price
Compare
LEGEND
3/4 Backflow Prvnt Thd Atmo Vent T459
Part #
115-114
Nominal Size
3/4 in
Flow Rate
3 gpm
Dimensions
4-1/8 in W
Login for Price
Compare
LEGEND
Replacement Gasket backflow preventers
Part #
115-920
MFG #
115-920
Login for Price
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