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You would need to put in an extractor fan if there is no window in the shower/bathroom. You do not need permission to put in a fan but rules exist as to the rate of flow with regard to the size of the bathroom. Insulation has to be added in the internal walls but the rules are not as...

Thanks for the help guys. Fault associated with the new t which was allowing hot water to mix with the cold on the hot water return to the boiler. Non return valve added which seems to have resolved the fault. Engineer insists it was the only way. We should be decorating soon and I may ask a...

The installer re-visited. He believes there was a fault before. I am sure there were no faults with the system before- the system had been working perfectly well since 1982 even though it did have a boiler change some years ago. The installer has now informed me that he needs to cut in a...

Thanks for the response. Not sure whether the motorised valve is leaking.When hot water only has been switched on, the hot water side pipes get very hot. After a short time the pipe coming out of the motoralized valve for central heating gets fairly warm next to the valve. The upstairs...

Thanks for the response. I take it that you are refering to the motorised valve not closing properly. It has only been in use for 3 months or so. When hot water is on and heating is off, the hot water pipes get pretty hot, the c/h pipes remains cold but after a while it warms up near to the...

old boiler removed from a gravity fed system which incorporated a pump for central heating circulation and a header tank. New boiler is Echotec Plus and system changed to a closed system incorporating a motorised valve. Every time the boiler is switched on for hotwater the upstairs radiators...