Risk of Explosion When Soldering Drain Pipe?

Discussion in 'Plumbing Forum' started by travelover, Oct 21, 2007.

  1. Oct 21, 2007 #1

    travelover

    travelover

    travelover

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    My house, built in 1966, has all copper plumbing, including drain pipes. I have discovered a dripping drain pipe connection that takes the bath sink waste water away (in the wall, just downstream from the J trap).

    If I use a torch to take this apart and resolder it, am I risking an explosion from the sewer gases in the drain pipe? I'm on a septic system, if that is pertinent.

    Thanks in advance.
     
  2. Oct 22, 2007 #2

    inspectorD

    inspectorD

    inspectorD

    Housebroken Staff Member Admin Moderator

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    Just kidding...the gas should not build up...that's what a vent is for . Although better safe than sorry...blow some compressed air through the lines if you need to and open the tank cover if you really are not sure.

    I have never heard of it...but stranger things have happened.:eek:
     
  3. Oct 22, 2007 #3

    travelover

    travelover

    travelover

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    Just a follow up - I sweated in a new fitting with no problems. I gave it the sniff test and decided the risk was minimal. I'm still surprised the copper pipe has a hole corroded in it. Maybe too much drain cleaner?

    Thanks for the feedback and suggestions.
     
  4. Oct 22, 2007 #4

    glennjanie

    glennjanie

    glennjanie

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    Hey Travelover:
    I think we have all been disappointed with copper. It not only corrodes through in the DWV but it also wears through on the back side of ells.
    Glenn
     

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