In message , Pete C
writes
Is there better flow through the shower with the hose off?

No. I should also mention that water pressure to the taps in the
bathroom (the same room) is fine.
--
Andy Mabbett
"The Internet is a reflection of our society[ ...]. If we do not like what we
see in that mirror the problem is not to fix the mirror, we have to fix
society." Vint Cerf