Blowing out water lines for winter storage.
Last night I decided to blow air through my water lines to drain for winter. I started with the low point drain caps both off. I used the blow-out attachment to connect my compressor to my city wat...
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I just blow mine out at 25 PSI on the compressor and then leave the valves open. No issues as of yet. I do put some pink stuff in P traps and a little in the grey and black tanks though.
