Automatic air valves

Discussion in 'Plumbers' Talk' started by f49h, Sep 30, 2014.

  1. f49h

    f49h New Member

    Hi Guys N gals

    Need some advice. I have fitted a new central heating system, because my house has concrete floors i have run the supply and return pipe in the loft (plastic 22mm) and dropped plastic 15mm pipes down to the radiators. Do i need to fit a auto bleed valve at the highest point of the system and if yes do i need to fit it on both the supply and return or will one do. I have fitted a magna clean type filter which has a bleed screw on it , would this be enough to bleed the air. I am using speed fit fittings.

    Cheers

    Confused . com
     
    f49h, Sep 30, 2014
    #1
  2. tom.plum

    tom.plum Screwfix Select

    fit one on the flow, if you put one on the return the pump will suck air in, ;)
     
    tom.plum, Sep 30, 2014
    #2
  3. f49h

    f49h New Member

    Cheers for that will do.
     
    f49h, Sep 30, 2014
    #3
  4. itchyspanner

    itchyspanner Member

    no auto air vents needed, a couple of thumb vents will do for filling.
     
    itchyspanner, Oct 2, 2014
    #4
    Dave does Gas likes this.

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