The ball valve.
Water tank overflowing.
This valve controls the level of water in the cistern via a plastic float which sits on the surface of the water.
Overflow of water tanks is a common problem faced in residential commercial and industrial facilities.
It will be made of either plastic copper or lead and usually leads out through the eaves and soffits.
The other cause mixer valves.
If its the big tank that feeds your hot water cylinder it might be that the water level is too high in tank.
Typical cause a faulty ball valve.
There are different reasons why residential or industrial water storage tanks.
Contents cold water tank overflowing.
You need to check the ball on the valve isn t full of water or hasn t slipped down the arm of the valve allowing the water level to get too high in the tank.
The tank supplies your bath and basin taps and your hot water cylinder with water.
The cold water feed and expansion tank overflow pipe runs from the large water tank in your loft to the outside of your house.
There is some variation in the type of valves fitted to tanks.
The most common reason for a cold water tank to overflow is a faulty ball valve.
The tpr valve is attached to a discharge pipe that aims the overflow at the floor or ground where your hot water heater is positioned.
So when the water heats up and expands the tank overflows.
Whether it s a cold water tank or hot water tank overflowing the issue should be addressed fast to avoid water wastage as well as unnecessary water costs.
If the tpr valve were to malfunction pressure inside the tank could cause the tank to explode causing terrible damage to your home.
You can use the same repair principles for remedying a leaking toilet cistern.
Typical cause a faulty ball valve.