Backflow Preventers

Questions and Answers for 1/2 in. Union Backflow Preventer Valve, Sweat

Internet # 318593696

Model # 9D-S-M3 1/2

Store SKU # 748586

1/2 in. Union Backflow Preventer Valve, Sweat

Questions & Answers (6)

Protection of polluted water from entering into water supply
Brass body with stainless steel internal parts
Designed for continuous pressure non-health hazard applications

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