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3/4" Double Check Backflow Valve Assembly With full port QT ball valves The 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair. Documents: Specification Sheet - 350 (SIZES 3/4" - 2") 350 (3/4" - 1") Repair Parts Waterworks Brochure 300 Series Small Backflow - Irrigation Contractor (NON-Winterizing) Sell Sheet 300 Series Small Backflow - New Construction Plumber Sell Sheet 300 Series Small Backflow - Backflow Tester Sell Sheet 300 Series Small Backflow - Irrigation Contractor Winterizing Sell Sheet 300 Series Small Backflow - Distributor Sell Sheet Blow Out and Flush Housing Instructions Installation and Maintenance Instructions 3/4" - 1"
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🇺🇸 Ship from USA · On Agora since 2025
$331.32