WATTS 9D, 3/4" Dual Check Valve Backflow Preventer $226.47 Ships in 3-5 days SKU: W9D34 P/N :W9D34Manufacturer :WATTS - 61888 Quantity discounts available QuantityPrice -+ Add to Cart Ships in 5-7 Business Days Product Features Fast ShippingEasy ReturnsSecure Payment Product DescriptionProduct DescriptionDual Check Valve Back Flow Preventer, 1/2" FNPT, With Intermidate Atmospheric Vent, Brass, Maximum 175 PSI