Anti-Siphon, Spill-Resistant Vacuum Breakers
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Catalog excerpts

Anti-Siphon, Spill-Resistant Vacuum Breakers - 1

Function: To protect the potable water supply against back-fl ow from a non-potable source due to negative supply pressure Protection: Against back-siphonage backfl ow > 1. Install a minimum of 1" above fl ood level of fi xture if factory deck mounted or not less than 6" if general plumbing fi eld application. 2. 3. Install bonnet side up and allow for accessibility for testing/service. Do not install in concealed locations or areas where water leakage due to normal wear of the internal parts can cause damage. Do not undersize supply or oversize the valve in relationto demand. Watts 008QT > 3 ⁄ > 3 8 ", > 1 ⁄ > 2 "Patent# 5125429Watts 008QTS ⁄ > 4 ", 1" 4. Do not install where back-pressure can occur. 5. Protect from freezing.Note: Use LӔ suffi x for left-hand outlet. 6. The installation of a strainer ahead of the backfl ow preventer is recommended to prevent fouling of the check assembly and resultant spillage from the valve during repressurizing. > 008QT Watts P50 Pressure Reducing ValveSolenoid ValveShutoffs Min.of 1" Test periodically as required by local jurisdictional authorities. Replace internal components every fi ve years. > TestCock Strainer Working Temperature: 33װF 180ְF (0.5C ږ 82C) Maximum Pressure: 150psi (10.3 bar) Minimum Pressure: 8psi (55 kPa) > 3 ڢD 4 " Hose Adapterwith strainer washerDispensing InducersSupply Hose Strainer recommended to prevent fouling of the check assembly and resultant spillage during start up. 6" > Supply Line 008QT Flood Rim Level008QT to be installed a minimum of 6" above the fl ood rim if applied for general plumbing applications. size="-1">

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