Shop cross connections different backflow valve types

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Febco LF850 Series 1" Lead-Free Bronze Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Small Diameter, NPT Connections, Modular
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SS Double Check Valve Assembly Backflow Preventer, UL/FM Butterfly Shutoffs Valves 4"
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Conbraco 1/2 Thread 175 Psi WOG Rating Bronze Dual Check Backflow Preventer Valve 4ALF4A33AM
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Zurn Elkay 34-350XLFT 3/4" Double Check Valve Backflow Preventer With Male 45 Degree Flare SAE Test Fitting For Potable Water Lines
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FEBCO T683041 LF850-QT-FZ 1 1/4" Double Check Valve Backflow Preventer Assembly
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Cash Acme 3/4-In Brass FNPT Double-Check Backflow Preventer One_Size | BF13434
Lowe's
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3/4 in. Lead-Free Brass FPT Dual Check Valve Backflow Preventer
Home Depot
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Shop cross connections different backflow valve types

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$448.99
Zurn Elkay 34-950XL3 3/4" Double Check Valve Backflow Preventer With Male 45 Degree Flare SAE Test Fitting
WebstaurantStore
$448.99
Zurn Elkay 34-950XL3 3/4" Double Check Valve Backflow Preventer With Male 45 Degree Flare SAE Test Fitting
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$131.62
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Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, NPT Connections, Freeze Sensor With Sentryplus Alert
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Midline Valve 372U422 Inline Spring Loaded Check Valve, Backflow Prevention Lead-Free, 2 in. FIP Connections, Cast Brass, 2
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Midline Valve 372U422 Inline Spring Loaded Check Valve, Backflow Prevention Lead-Free, 2 in. FIP Connections, Cast Brass, 2
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Watts 3/4" 009M3 Backflow Preventer Reduced Pressure Zone Assembly RPZ 3/4 009-QT 0063030 63030
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Zurn Wilkins 34-975XL 3/4" 975XL Reduced Pressure Principle Backflow Preventer
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Febco LF850 Series 1" Lead-Free Bronze Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Small Diameter, NPT Connections, Modular
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