I had my water switched off for a few days this week by the water board.
when it came back on i think i have an airblock in the toilet cistern. Water
taps are fine but the cistern just drips water into the cistern until it is
full (an hour or two!). It is one of those where you push a button down on
top of the cistern to flush it (not a handle on the front kind).
Any ideas how to sort it?
some debris trapped at the diaphragm.
I would be inclined to isolate the water, dismantle the diaphragm assembly
it a rinse in clean water and re-assemble.
You could make a small adjustment on the ball-cock adjuster screw
as a secondary measure.
I'm no expert but I wouldn't think it would be an air lock.
You will often find that when the water is turned off the tank in the attic
empties allowing debris to block pipes.
With me the blockage was at the isolating valve on the inlet pipe just
underneath the cictern ( you should have one).
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