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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 Caleffi
    SKU: 573503A
    Brand: Caleffi
    (1)
    $50.40 each
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    30
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    29 Thu, Oct 28
    1 Mon, Nov 1 – Tue, Nov 2
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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 Caleffi
    SKU: 573403A
    Brand: Caleffi
    (3)
    $51.20 each
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    67
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    67
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    67 Thu, Oct 28
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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 Caleffi
    SKU: 573409A
    Brand: Caleffi
    (1)
    $45.74 each
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    36
    Thu, Oct 28
    36
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    36 Thu, Oct 28
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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 Caleffi
    SKU: 573493A
    Brand: Caleffi
    (2)
    $77.79 each
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    2
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    2
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    2 Thu, Oct 28
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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 Caleffi
    SKU: NA10363
    Brand: Caleffi
    $10.78 each
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    8
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    8
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    8 Thu, Oct 28
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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 Caleffi
    SKU: NA10197
    Brand: Caleffi
    $1.20 each
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    1
    Thu, Oct 28
    1
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    1 Thu, Oct 28
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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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