Overflow dripping

Question

Why is the overflow still dripping constantly after the ball valve has been replaced twice.

David · Accepted Answer

The ball valve is set too high need to bend it down below the overflow outlet

Ray · Answer

I take it its the tank in the loft, if so there may be 2 tanks one for the hot water and one for the heating have both been changed

Kris · Answer

Maybe the height of the water needs adjusting. As it is letting to much water in before stopping

Craig · Answer

The ball valve is set to high possibly just need to adjust the water level to be below the overflow height or the seal on the overflow has gone and may need replaced hope this helps

Steve · Answer

Might be that the incorrect type of ball valve as been fitted or as not been adjusted correctly

Luke · Answer

It hasn't been installed correctly. Always use legitimate engineers

Jamie · Answer

Could be a pressure relief pipe from a pressurised system

Wayne · Answer

If it's from a tank in the loft then water must be either backing up one of the cold feeds or pumping over through one of the vent pipes. Possible blockage in system, faulty shower valve/mixer tap

Gary · Answer

Could be adjusted wrong, or depending on the type, grit in the water supply could stop it closing properly, in which case it will need taking apart, cleaning and put back together again. Could have been caused by the water company doing work locally or work on your own pipe work within your property

David · Answer

Could be indirect cylinder may have a hole in it and forcing water over the expansion pipe

Grahame · Answer

If it’s an older standing waste it could be passing through this at the tank seal

Overflow dripping

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