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Thread: Cleaning 4 inch trap, what to use?

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    DIY Junior Member dripdrip's Avatar
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    Nov 2008
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    Default Cleaning 4 inch trap, what to use?

    I think the trap on my mom's house's main drain line is clogged. It's a 4" J(?) trap just before the drain exits the house. I got the top off, but now I'm not sure what to clean the trap with! My 1/4" snake seems too small and my 3/8" drum snake seems too rigid to make the bend.

    BTW this trap looks like a P trap except the clean out is on top. It's cast-iron, probably from the 1930s or before.

    Also, I'm probably in trouble because I had to cut the cap off & I doubt I could buy a match. Could I get away with a test plug?

    Thanks!

    DD
    Last edited by dripdrip; 03-29-2011 at 03:26 PM.

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