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Southwest ND | I took apart this Wilkins backflow preventer a while back to put a rebuild kit into it and now I can’t remember where the heavier spring goes. The water flows from left to right. Would the heavier spring go into the left or the right side on top? TIA
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 F2AA6C73-9D58-43F9-920B-93013F34A6C6 (full).jpeg (82KB - 39 downloads)
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Backflow preventer
