ltluo ?upc® certified?1" pressure vacuum breaker assembly, metal top cover, thickened brass backflow preventer valve, anti-siphon valves for irrigation and outdoor sprinkler systems, max 400psi 1 inch pvb is up for auction in Tools & Home Improvement. The current bid is $1.00, 99% below the $99.99 MSRP, in Good Condition. Bid on this item at our Amelia - Ohio Pike location before the auction closes.