Should I install a vacuum breaker on my faucet's hose bibb connection?
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The Plumber's Choice 3/4 in. Hose Bib MIP/Sweat Connection 4 in. Anti-Siphon Sillcock Valve Frost Free Outdoor Wall Faucet with 1/2 in. SILLVAC4N - The Home Depot
Woodford Model 19 Anti Siphon Wall Faucet
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Prier Products Diamond 8-in L x 1/2-in Mip Brass Anti-siphon Half Turn Sillcock in the Sillcocks & Hose Bibbs department at Lowes.com
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