the only problem it can be now if your satisfied everythings connected etc
is a faulty flow stabiliser valve.
As turning this from fully cold to fully hot should reduce the flow of the water from the shower.
as you said it don't alter flow at all so useally points to the stab valve.
is a faulty flow stabiliser valve.
As turning this from fully cold to fully hot should reduce the flow of the water from the shower.
as you said it don't alter flow at all so useally points to the stab valve.