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  1. S

    AIR/CORROSION IN A CH/PRIMARY SYSTEM - HELP PLEASE

    Hi!! the point of the question was about air (oxygen) getting into the system (pipework, etc) and the effects/damage it can cause/do to it!!
  2. S

    Siphon change in close coupled cistern

    lunns is supposedly good for spare parts.
  3. S

    Vented heating system will not refill

    either a blocked cold feed (usually at the tee piece/air separator joined part of the primary system) - or a bad airlock. as suggested you could try filling up the system from bottom to top using a hose pipe.. but you will need someone inthe loft too!
  4. S

    AIR/CORROSION IN A CH/PRIMARY SYSTEM - HELP PLEASE

    Hi Please offer me some of your time/expertise in my following learnings if you may. Feel free to correct anything I have written that is not 100% correct and add any further parts if you wish to, to help me: fresh AIR into a radiator/primary system (brought in with fresh water) is bad...
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