Overflow leaks and is coming from hot water tank

Question

I have fitted a new ball valve and my cold water tank keeps filling from a pipe that comes from the hot water tank

Owen · Accepted Answer

Check your thermostat is working. Reduce the temperature to like thirty degrees and see if it stops. If it does then change your thermostat

Michael · Answer

Hi possibly your hot water tank may be over pressured. This would mean that it will let out water from the overflow that would drain into the water tank. I could be wrong but with out looking it’s hard to tell

Nuno · Answer

Have you check if  that pipe needs a non return valve 
Sometimes that is the issue

Lee · Answer

this sounds like a thermostat problem. will need to have this replacing most probably

Shero · Answer

Adjust the timing screw in the ball and see again if it is stopped or not,

Andy · Answer

Sounds like the thermostat on the hot water tank is faulty on your system which is open vented hence water coming into your header tank.

Joe · Answer

This usually the hot water cylinder is over heating.

Ian · Answer

Have you got the thermostat set to high as the hot water goes up through the 22mm expansion pipe

James · Answer

The pipe that is going back into the storage tank is the hot water vent pipe. When the hot water expands inside the  hot water cylinder it travels up the vent and discharged back into the tank. It shouldn't be running back into the tank that often. Best get someone out to have a proper look at it.👍

Thomas · Answer

The only pipe than comes from hot water tank to cold water tank is vent pipe which means hot water tank is overfilling which means feed to hot water tank is not shutting off.

Overflow leaks and is coming from hot water tank

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