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  • Slip Joint Washers - Nylon vs Rubvber

    Hello -

    Just went to pick up some plumbing parts and was curious...as I noticed 2 new washers. I've always the Nylon washers. Noticed they also had rubber washer as well as a fairly thick ~square cut rubber washer~ meant for slip joints.

    Is one superior in connection than the latter.
    The rubbers was was 2 kinds. One was think and tapered like a regular nylon washer.
    The latter was just a *thick* rubber washer - no profile to it.

  • #2
    Re: Slip Joint Washers - Nylon vs Rubvber

    i prefer the nylon/ plastic slip joint washers. they tend to last longer without the rotting.

    different brands of s.j. washers will take on different shapes. the taper ones tend to make a better seal as they work their way into the joint better.

    rick.
    phoebe it is

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    • #3
      Re: Slip Joint Washers - Nylon vs Rubvber

      Tapered rubber to older galvanized plumbing.
      AllurePlumbing.com
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      Greensboro NC, Winston-Salem NC, High Point NC, Thomasville NC, Kernersville NC

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      • #4
        Re: Slip Joint Washers - Nylon vs Rubvber

        not legal here to use a slip joint onto a threaded pipe without a descanso? fitting. basically it acts as a stop for the tailpiece to keep it from extending into the nipple/ pipe. usually it's a 1.5'' fip x 1.5'' slip joint compression fitting.

        i'll see if i can find a photo of 1 online.

        rick.

        here is a watts mip x 1.5'' slip joint fitting. http://www.watts.com/pages/_products...s.asp?pid=2789
        Last edited by PLUMBER RICK; 06-27-2012, 10:51 PM. Reason: link
        phoebe it is

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        • #5
          Re: Slip Joint Washers - Nylon vs Rubvber

          Originally posted by PLUMBER RICK View Post
          not legal here to use a slip joint onto a threaded pipe without a descanso? fitting. basically it acts as a stop for the tailpiece to keep it from extending into the nipple/ pipe. usually it's a 1.5'' fip x 1.5'' slip joint compression fitting.

          i'll see if i can find a photo of 1 online.

          rick.

          here is a watts mip x 1.5'' slip joint fitting. 1902 1-1/2 in. OD x 1-1/2 in. Male IPS Desanco Fitting, Desanco Fittings, Brass & Tubular - Watts
          I hate those damn things....They always seem to be a pain in the *** to tighten properly cause of that huge brass compression ferrule.
          Ideal Plumbing

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          • #6
            Re: Slip Joint Washers - Nylon vs Rubvber

            Rubber for brass traps and E.O.W. and nylon for plastic traps and E.O.W.

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            • #7
              Re: Slip Joint Washers - Nylon vs Rubvber

              The thinner tapered rubber or just the *straight cut* thick rubber washer...
              I'm using tubular brass fittings.

              I don't know if it's just marketing....but when you look at some of the manu. and the P trap kits....they seem to infer the rubber slipnut is a *upgrade-premium* over the regular nylon.

              Price for price....the tapered thin slipnut is less than the *thick square cut* washer
              I've never used either of the rubber tapered or SQUARE cut.
              The square cut is at least 2X thicker in size. Does that matter or not .
              Last edited by mobiledynamics; 06-28-2012, 09:02 AM.

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              • #8
                Re: Slip Joint Washers - Nylon vs Rubvber

                If its Galvanized pipe it get s the rubber slip joint washer every time
                PVC gets the beveled plastic

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