Ok just tried this - I could easily hold the water with my thumb, so that means it's from the tank. I also let the water run a bit from the cistern valve (I had a hose on it to the toilet) and the tank water went down so that is pretty conclusive.
I looked inside the tank and can see 6 holes...
Many thanks for the quick reply!
There are two valves - one marked "cold water supply F & E tank" and one unmarked - I tried both as it happens, but it is the unmarked one I thought was the correct one. It doesn't tee off before the valve and I can follow the pipe along the attic to the...
This is a bit of a saga!
I am changing a cistern - I had a problem getting the plastic pipe off the inlet pipe so I had to saw it off. There was a micro valve that I used to isolate it at this stage and then unscrewed the top part of it. The plastic pipe was jammed solid and I couldn't...