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    masterofnone32's Avatar
    masterofnone32 Posts: 2, Reputation: 1
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    #1

    Nov 26, 2010, 07:48 AM
    Is there a tool for placing oakum?/pvc in iron bell coupling
    Repairing someone's older repair. Water closet connects by 3"pvc into 4" iron sewer pipe. While trying to put the oakum in place most tools pass through the oakum without tamping it into place.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Nov 26, 2010, 07:54 AM

    Hi Masterofnone...

    You need a long YARNING iron... see image. If you are planning on pouring lead you'll need other packing irons (see other image).

    Otherwise, they make a great lead substitiute for this job (pack oakum first)... called soil seal. This stufff dries rock hard and is very reliable.

    These are all sold at plumbing supply stores... ;)

    Mark
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    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
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    #3

    Nov 26, 2010, 07:55 AM

    Its called an oakum tamping iron but why not just use caulk? Unless you also plan to melt lead the oakum by itself won't work.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #4

    Nov 26, 2010, 07:57 AM

    Yes and it's called a "yearning iron" and you pack it in with a "packing iron". Are you planing on pouring and caulking a lead joint?
    Good luck, Tom
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
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    #5

    Nov 26, 2010, 08:21 AM

    Hope this is not your plan, molten lead and PVC do not like each other
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #6

    Nov 26, 2010, 08:28 AM

    Hi Bob,

    Actually, if he uses a PVC MANHOFF fitting he could pour lead just fine to transition to PVC... see image. This fitting is the only way to transition to PVC as PVC pipe itself, as you pointed out, can melt through.

    Masterofnone, this fitting will also stop the oakum from pushing through the cast iron bell.

    However, I would use the manhoff fitting and then oakum and then the lead substitute if I was a homeowner... :)

    Mark
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    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
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    #7

    Nov 26, 2010, 08:34 AM

    I was just thinking that this is a DIYer and most likely does not have a lot of special tools or experience. If I had one connection I would not go out and buy lead, a packing iron and a manhoff
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #8

    Nov 27, 2010, 07:36 AM

    There's more then one way to transition cast iron to PVC.
    If the cast iron has a hub you can use a rubber donut (see image) or a shielded metal coupling if the cast iron is hubless. I can even recall running a lead and oakum poured and caulked joint on a cast iron hub. (The secret is to have a pan of cold water to pour on the lead before it burns into the PVC) Just a few more options. Tom
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