Recent content by mdo

Thanks scoobydo123 for low pressure seal link and isolator valves and Madrab too, and all. Had a closer look and the 15mm comes off the 22mm feed, through an isolator then tees to the sink and off to the cistern through another isolator. So there are 2 isolators in the path to the cistern...

I'm glad I asked - it's been driving me crazy. Great to know they can fill quicker. Pressure restrictor - good call. I've also installed the 747UK073 side inlet valve (white and blue) on the tank in the roof and this had the pressure restrictor (plastic insert) which I removed (it's clear...

Hi all, I've just installed 2 new Fluidmaster 400UK bottom entry fill valves. One of them is the brass shank model (better?) in the upstairs loo and takes 3 minutes (!) to fill the cistern. The other is the 400UK073 plastic shank, downstairs loo (more pressure above it?) and takes 2 minutes...

had in mind others searching

I had exactly the same problem a few years back. The problem turned out that the main stop cock wasn't ... wait for it ... turned on enough (!). Simply fully opening the stop cock cured the banging problem instantly. To check, I closed the stop cock down to 1 full turn off closed (if I...