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We recently renovated our home and paid to have the plumbing roughed in. I am planning to try and tackle the kitchen sink installation. I have 1/4 turn angle stops for the hot/cold water for the kitchen sink. Is there a recommended amount of length to leave on the copper pipes coming from the wall that I will install the angle stop on? The stub outs are about 3 inches right now.

  • Are you sweating them or are they screw in? – Ed Beal Dec 17 '18 at 19:52
  • I was going to use the compression ones (is that screw in?). Here is a link: homedepot.com/p/… – user2222976 Dec 17 '18 at 20:24
  • Personally I would not cut off 3" long stub outs. If the cuts are rough, you should deburr both the insides and outsides of the cuts. Don't overtighten the compression nut. – Jim Stewart Dec 17 '18 at 21:22
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I would leave the pipes at there current length. The reason I would leave the extra length is if you have problems with the compression fitting leaking now or in the future you will have enough space to cut it off and put a new fitting on.

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