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Caleffi
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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)
Dimensions
4-1/2 in W (1)
Series
573 (1)
574 (2)
Media
Water (1)
Pressure Rating
150 psi (2)
175 psi (1)
Type
Continuous (1)
Body Material
Brass (3)
Temperature Rating
32 to 210 deg F (1)
150 deg F (2)
End Style
FNPT (3)
Backflow Type
Dual Check (1)
Backflow Preventer
5
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Caleffi
Backflow Preventor 1/2in Npt F Union
Part #
573403A
Nominal Size
1/2 in
Dimensions
4-1/2 in W
Series
573
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Caleffi
RPZ Backflow Preventer 1/2in FNPT
Part #
574004A
Nominal Size
1/2 in
Series
574
Pressure Rating
150 psi
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Compare
Caleffi
RPZ Backflow Preventer 1/2in Press
Part #
574064A
MFG #
574064A
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Caleffi
RPZ Backflow Preventer 3/4in FNPT
Part #
574050A
Nominal Size
3/4 in
Series
574
Pressure Rating
150 psi
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Compare
Caleffi
RPZ Backflow Preventer 3/4in Press
Part #
574056A
MFG #
574056A
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Compare
Caleffi
Backflow Preventor 1/2in Npt F Union
Part #
573403A
Nominal Size
1/2 in
Dimensions
4-1/2 in W
Series
573
Login for Price
Compare
Caleffi
RPZ Backflow Preventer 1/2in FNPT
Part #
574004A
Nominal Size
1/2 in
Series
574
Pressure Rating
150 psi
Login for Price
Compare
Caleffi
RPZ Backflow Preventer 1/2in Press
Part #
574064A
MFG #
574064A
Login for Price
Compare
Caleffi
RPZ Backflow Preventer 3/4in FNPT
Part #
574050A
Nominal Size
3/4 in
Series
574
Pressure Rating
150 psi
Login for Price
Compare
Caleffi
RPZ Backflow Preventer 3/4in Press
Part #
574056A
MFG #
574056A
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