Drain pipe from the clean water tank has developed a leak. Any ideas?

[moulin 87]

I've just partially filled the clean water tank after the winter drain down and there is an incessant drip from the drain pipe.

I've opened the valve to let some water flush through but the drip remains, so any ideas please.

Over winter it was left empty with the valve partially open

Thanks

 

[skylinersi]

crud in or under the valve?

 

[Jaws]

Half close it and stick a jet wash nozzle in... worked for me ( after a few weeks with a cork stuck in it ! )

 

[grumps147]

For us it was crud in the valve, very small pieces of plastic or similar. It looked like waste out of the tank from a hole being drilled. It had worn the valve enough from turning it to scour the wall of the valve and allow water to pass.