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Removing 1-1/2" hex plug from cast iron rediator?

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Gasper
Gasper Member Posts: 148
Does anyone have a favorite/best method when removing a 1-1/2" hex plug from a 85 year old radiator? Tricks, tips, etc?

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  • Jamie Hall
    Jamie Hall Member Posts: 23,433
    edited March 2018
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    Um... why? If you need to get it out intact... I'd clean all the paint off, particularly the threads. Hit it with PD Blaster or equivalent, wait a day, repeat, wait another day. Then a socket which fits the hex perfectly, and an impact wrench. You could also try the same socket with a very long cheater bar on the wrench, and have someone bang on the plug while you lean on the cheater. There s a chance it might work...

    Otherwise, there are any number of approaches using drills and sawzalls.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • Gasper
    Gasper Member Posts: 148
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    First method we have attempted (but have not given up on yet). Second options are up next. Still..... just wondering if someone has done more of these then I have, and might have a best medhod from trial and error. Thanks!
  • Gasper
    Gasper Member Posts: 148
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    Forgot to answer: No, the plug does do NOT need plug intact. Obviously, radiator female threads need to be intact.
  • Jamie Hall
    Jamie Hall Member Posts: 23,433
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    Cut it out -- see @the_donut 's comment on your other thread.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England