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Is it possible

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slaneri
slaneri Member Posts: 3
in Radiant Heating
To take the bleeder valve s
out so we can clean behind them
does water have to be shut off
is it just a hex nut to take off then
push cooper pipe in toward s center

does anyone sell original round knobs to cover the stem 
they are almost all broken
thanks

Comments

  • Big Ed_4
    Big Ed_4 Member Posts: 2,785
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    Originally they had wooden knobs . Back in the day expansion tanks were open to the system and bleeding the radiators or convectors was a normal pass time . You would need to drop system pressure tp replace .. I would recommend manual peanut bleeders .
    I have enough experience to know , that I dont know it all
  • STEVEusaPA
    STEVEusaPA Member Posts: 6,506
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    You can find plastic knobs. Yes you will have to drain the radiator. The back plate may be nailed to the wall.
    steve
  • slaneri
    slaneri Member Posts: 3
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    There are 10 upstairs and 10 downstairs , can I turn pressure off
    ( water off) and do one at a time or one after the other all at once 
    before heating season 
    which is like next week
    in Meaford Ontario 
    thanks
    doug 
  • slaneri
    slaneri Member Posts: 3
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    The peanut valve sounds good
    it’s a rental and I don’t want people 
    playing with them
    there are 2 wooden knobs on two of them 
  • HVACNUT
    HVACNUT Member Posts: 5,835
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    Take the pressure off the boiler, then open all the bleeders and let the rads drain.
    That's quite a project to just clean behind them.
    Maybe replace the bleeders or at least have some extras on hand. 

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