Yes. A header tank. As in one.Would the primatic have a header tank?
Would that not be the CWS tank? i.e. No F&E cistern
Yes. A header tank. As in one.Would the primatic have a header tank?
well an update on the original problem:
5) occasional overflow of one or both of the two tanks in the loft. an earlier post suggested this would happen depending upon their respective levels. i cant say which one is actually overflowing to outside as their overflow pipes disappear under lagging in the loft. its not massive and only occasionally but you can sometimes hear water flowing around in the loft even though there's no water usage at that time.
Very good but what about the leaking into the hot water?
Also a DIYer should not be opening the combustion chamber where the clip on end of the thermostat is fitted.
Its part of the room sealed design of the boiler which makes it safe until disturbed.
That particular boiler is more potentially dangerous that others and needs careful tests to establish its safety.
Tony
currently, it intermittently overflows from one of the loft tanks. in the silence during the night one can sometimes hear what appears to be large quantities of water swilling around !
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