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Mend Gas Boiler Heating Issue

what is black ash coming out of my gas boiler mean?

There is some black ash or sud coming out of the gas boiler.

hugo
February 2009
Heating, Home Heating SystemsGas Boiler Heating Boiler Issue
You need to turn your appliance off imeadiatley! sooting to the burner and combustion chamber will cause incomplete combustion and produce Co this is a KILLER! get it sorted by a corgi engineer quick!

STE
February 2009

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Black Ash From Gas Boiler: What Does It Mean?