billythekid
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[quote author=woodsmith link=1105056479/15#18 date=1105949930]Oggy wrote;
"What level of water should there be in the tank? Mine was about 2/3 full with the end of the overflow dipping down below the surface"
Do you think that having the overflow pipe dipping into the water in the tank may cause a problem? As the heating cools water will be drawn up the overflow pipe and may be causing some sort of air lock which clears when the heating gets up to a certain temperature?
Just a thought ???
Keith [/quote] no keith, he meant the actual tank overflow, not the expansion pipe from a cylinder. It fine to have the overflow in this way, in fact thats how a by-law 30 kit comes. as the tank level drops all that will be drawn from the overflow is air, to the tank space. Still could be airlock, although not for this reason.
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