to Shorky -
1. I had the shower fitted 5 yrs ago by a "friend" - not a professional. I am only guessing that my friend carelessly let a lump of grit get in because there have often been some hot water pressure problems in the shower starting 2 years after the installation
2. I imagine that...
I have a gravity fed indirect central heating/hot water system. A new probem has just arisen. Upstairs hot water (bathroom & shower room) is fine. Downstairs hot water is just a trickle. I have connected the mains cold water to the downstairs hot water for about a minute and this temporarily...