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Is it possible

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: 3,211
    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 .

    There was an error rendering this rich post.

  • STEVEusaPA
    STEVEusaPA Member Posts: 6,505
    You can find plastic knobs. Yes you will have to drain the radiator. The back plate may be nailed to the wall.

    There was an error rendering this rich post.

  • slaneri
    slaneri Member Posts: 3
    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
    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: 6,776
    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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