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How to descale a heatexchnger?

I have a Vaillant VCW T3W boiler and need to desacle my heatexchanger.

Charanjit
March 2007
VaillantHeating, Home Heating SystemsVaillant Vcw Boiler
we use a powerflushing machine to do it which would cost you about £80. to do it d.i.y you would have to remove the heat exchanger. best to get someone in to do it.

hi-spec plumbing
March 2007

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