Can the isolation valve leak and when turn to the off position actually stop water ?
When its in the on position it leaks a lot as you can see water trickling down the side of pipe.
They are notorious for leaking out of the slotted screw part. Make sure the nuts are nipped up properly and that it's not leaking from them and put a dab of silicone onto and around the slotted screw! (When in open position obviously!
If it's a cheap service valve then yes they will often leak through the gland seal when turned. It may stop when turned back on again. If not then a new one is required. You can bodge it, but do it correctly for the future.
It doesnt seem to be leaking from the screw though. Where the pipe for the cold supply enters the isolation valve is where it is leaking (appears to be) and then when i turn the valve, it stops!.
So the question is, can an isolation valve leak if on ? and not leak if in the stop position ? Or maybe the pipe that goes in is slight loose ? Is there a seal or olive inside one of these connectors ?
the biggest issue is, I cannot find the mains to stop the water completely. Outside on the driveway is a hole with a water meter in it. Plus a plastic tap thing which is written STOP and TAP. I tried all kinds of positions and it does not stop the water flow :S
Outside on the driveway is a hole with a water meter in it. Plus a plastic tap thing which is written STOP and TAP. I tried all kinds of positions and it does not stop the water flow :S
If the tap just keeps spinning and doesn't screw down tight then it's probably a 1/4 turn tap at the water meter, turn the tap so the head of the valve is 90deg to the direction of the pipe run.
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