Low pressure in shower but not fiddled honest- help needed

[1064857]

Hi folks - new here but often look things up - very helpful info.

Have just retiled the bathroom and shower area. I left the old shower in tact without fiddling with the plumbing at all. It is an Aqualisa Aquariam (over 5 years old). Before we started the shower pressure was good. As part of the refit we changed the hose and head for a B&Q vari spray head. Now the pressue is **** poor.

Its feed from the roof about with at least 1 m distance.

Any ideas? Is it the B&Q hose/head? Is there some sort of blockage - and if so how do I service the internal valves?

Thanks in advance.

 

[chrishutt]

Put the old hose/head back on to see if it restores performance. I expect it will.

 

[1064857]

Good idea but its gone to the giant dustbin already - kicking myself but I thought these things were pretty standard.

Any other ideas?