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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)
    $47.52 each
    22
    Wed, Jan 27
    24
    QtyArrives
    22 Wed, Jan 27
    2 Mon, Feb 1 – Tue, Feb 2
    Questions? Call 1-888-757-4774
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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)
    $71.17 each
    4
    Wed, Jan 27
    4
    QtyArrives
    4 Wed, Jan 27
    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)
    $43.07 each
    36
    Wed, Jan 27
    36
    QtyArrives
    36 Wed, Jan 27
    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
    (3)
    $45.29 each
    39
    Wed, Jan 27
    39
    QtyArrives
    39 Wed, Jan 27
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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
    10
    Wed, Jan 27
    10
    QtyArrives
    10 Wed, Jan 27
    Questions? Call 1-888-757-4774
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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, Feb 5 – Wed, Feb 10
    Arrives
    Fri, Feb 5 – Wed, Feb 10
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
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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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