Well the edges of the washer had started to creep over the sides of the valve, so it was too big. I thought that was what you meant!
Turning it over meant that it stopped doing that.
Didn't really want to start cutting bits off it unless I had a replacement - and the replacements I bought...
Managed to borrow some tiny spanners from work, and got the washer off - unfortunately flipping it over made no difference, and the new 'standard sized' 3/8" or 1/2" washers I bought wouldn't quite fit - so I cheated and swapped the insides of the hot and cold taps over.
I hope this is...
Well after some wrestling I managed to get the tap out, and had a look at the washer. It seems to be very flattened and is much thicker at the centre than it is at the edges.. does that sounds like an over-squashed washer?
The washer is held on with a hexagonal nut which I can't get off...
We've just bought and moved into a flat, and had the old tank and boiler replaced with an Ideal Isar HE24 condensing combi boiler. They removed the old cold water tank so both hot & cold should be mains pressure.
All is well, except for the bath/shower mixer tap. Hot water comes out quite...