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  • 3/4" NPT Female Dual Check Backflow Preventer w/ Atmospheric Vent Product Image
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    3/4" NPT Female Dual Check Backflow Preventer w/ Atmospheric Vent 573503A 3/4" NPT Female Dual Check Backflow Preventer w/ Atmospheric Vent
    SKU: 573503A
    Brand: Caleffi
    (1)
    $47.49 each
    4
    Wed, Jun 17
    6
    QtyArrives
    4 Wed, Jun 17
    2 Fri, Jun 19 – Mon, Jun 22
    Questions? Call 1-888-757-4774
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  • 1/2" NPT Dual Check Backflow Preventer w/ Atmospheric Vent Product Image
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    1/2" NPT Dual Check Backflow Preventer w/ Atmospheric Vent 573403A 1/2" NPT Dual Check Backflow Preventer w/ Atmospheric Vent
    SKU: 573403A
    Brand: Caleffi
    (2)
    $45.29 each
    37
    Wed, Jun 17
    37
    QtyArrives
    37 Wed, Jun 17
    Questions? Call 1-888-757-4774
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  • 1/2" Sweat Dual Check Backflow Preventer w/ Atmospheric Vent Product Image
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    1/2" Sweat Dual Check Backflow Preventer w/ Atmospheric Vent 573409A 1/2" Sweat Dual Check Backflow Preventer w/ Atmospheric Vent
    SKU: 573409A
    Brand: Caleffi
    (1)
    $42.99 each
    10
    Wed, Jun 17
    10
    QtyArrives
    10 Wed, Jun 17
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  • 1/2" Swt x NPT Dual Check Backflow Preventer, Atmos. Vent Product Image
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    1/2" Swt x NPT Dual Check Backflow Preventer, Atmos. Vent 573493A 1/2" Swt x NPT Dual Check Backflow Preventer, Atmos. Vent
    SKU: 573493A
    Brand: Caleffi
    (2)
    $52.49 each
    3
    Wed, Jun 17
    3
    QtyArrives
    3 Wed, Jun 17
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  • 1/4" NPT Replacement Gauge, 60 psi/0-4 bar Product Image
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    1/4" NPT Replacement Gauge, 60 psi/0-4 bar NA10363 1/4" NPT Replacement Gauge, 60 psi/0-4 bar
    SKU: NA10363
    Brand: Caleffi
    $9.99 each
    5
    Wed, Jun 17
    5
    QtyArrives
    5 Wed, Jun 17
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  • Replacement Gauge and Elbow for 1725C1A Product Image
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    Replacement Gauge and Elbow for 1725C1A F19297 Replacement Gauge and Elbow for 1725C1A
    SKU: F19297
    Brand: Caleffi
    $179.99 each
    Fri, Jun 26 – Wed, Jul 1
    Arrives
    Fri, Jun 26 – Wed, Jul 1
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
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  • AutoFill Clear Plastic Disc Cover Product Image
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    AutoFill Clear Plastic Disc Cover NA10197 AutoFill Clear Plastic Disc Cover
    SKU: NA10197
    Brand: Caleffi
    $0.85 each
    Fri, Jun 26 – Wed, Jul 1
    Arrives
    Fri, Jun 26 – Wed, Jul 1
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  • This category contains Caleffi dual checks that can be used for backflow prevention. Caleffi dual checks are available in sizes 1/2" and 3/4" threaded and union connections.

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