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Hot Water Rad Stem Leak

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bob young
bob young Member Posts: 2,177
shut feed valve by boiler & drop pressure to zero. draw off a little water & you are good to go. repair or replace valve & restore system. one hour job.

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  • Fritz2
    Fritz2 Member Posts: 6
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    leak in hot water rad

    We turned off a hot water rad on the third floor. A few days later we noticed water stains on the ceiling below. There was water oozing out of the top of the inlet valve stem of the rad we had opened. We opened the rad again thinking that this would help to block the water. I guess we need to change the packing/washers around the inlet valve. (The house is about 1920 vintage). Do we need to drain the water out of the rad before changing the packing? Is this easy to do?


    Thanks
  • Ralph Blaine_2
    Ralph Blaine_2 Member Posts: 18
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    Thanks Bob. I'm already breathing easier.

  • Bob Gagnon plumbing and heating
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    why change

    the packing? Usually you can just tighten the packing nut to stop leaks without draining the water. Bob Gagnon

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