Back again...
I have read the mixer tap specs and thought the plumber might not have removed the flow restrictors but he has.....
the sink in the bathroom has good cold pressure, but the bath and the shower have poor pressure...so i am thinking there is some link between the two...
thanks for help ...it appears that the shower must not have its own feed , by the way the plumber seems to have walked away from the problem..
the builders have tiled over all the pipework ( boxed in) so my friend is reluctant to strip this all off as cost would be prohibitive. i will check the...
there is a thermostatic bar on the system but the manufacturers say it is suitable for low pressure...is only letting 1.5 litres a minute through even though ensuite is at 8 litres a minute...shower head checked and no change....
the new shower fitted in my friends extension has very little pressure...unusable ...but within spec according to the plumber who fit it.
the bath and sink in the same room are ok ...it is a gravity fed system
i think the plumber has done something wrong but dont know what ...any help!!!!