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Old 04-25-2017, 05:02 AM   #24
riverrat
Junior Member
 
Join Date: Mar 2017
Location: Ashland
Posts: 8
Update-I found the anti-siphon valve under the bathroom sink. My question is can I remove and pipe through and add a backflow preventer (home depot $5.82) on the exterior black water hose connection? I believe it would serve the same purpose.
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