hi, does anybody know what this is that is leaking? its one of the pipes from the boiler going up to (i presume) the heated water tank. i know next to nothing about central heating so any help appreciated thanks[/url]
Copper oxide cupric and cuprous are blue and green and steel oxides are yellow and black (mixture of both oxides rust colour) the colour you see is a mixture of all these in water. But I hope a plumber will look at that picture as that to my untrained eye looks like a pressure relief valve which I would have expected to be fitted over a ton dish (Funnel) to catch the water and lead it off to a safe place?
1/2" Female Iron, spring loaded pressure point. There is a little spring and plate on the inside of that fitting, and if the pressure gets to much, its moves the spring and allows the water to flow out.
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