How to fill CH with anti-corrosion fluid ?

Discussion in 'Plumbing and Central Heating' started by biggiebig, 14 Jul 2008.

  1. biggiebig

    biggiebig

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    I need to change the position of a radiator in our living room so will need to drain our CH system.


    We have a cylinder gravity fed system but our CH is a sealed system you fill it directly via the mains using a stopcock and you check the pressure using the pressure gauge above the boiler. Hence I don’t think there is a separate feed tank in the loft.

    If I drain the system, how do I refill it with anti-corrosion fluid?
     
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  3. JPC

    JPC

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    isolate a rad at the valves (before you fill up) undo a nut at the top of the rad (the bleed one or the other, which ever looks easier) with a compression elbow take the nut off and screw the elbow into the rad and then use a funnel
     
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