Ball valve issue

[GQuigley67]

Fitted new F&E tank, kept overflowing. Had to apply a lot of pressure to shut off the valve, water just rose above the float.

Replaced float and valve, still same issue. Is there something obvious Im missing here? Jobs like an hour drive away and having to keep going back is doing my **** in

 

[Destroyer2813]

Cylinder coil gone if f&e is lower than cold water tank

 

[jonnyswamp]

If you mean the ball valve is passing, either a new ball valve or fit a pressure reducing valve
If the water level is rising after the ball valve stops,then you have other issues

 

[GasmanxxxR1]

Agree with the split coil

 

[GQuigley67]

Not a split coil the valve just isn't shutting off, I thought pressure may be too high but Pressure reducing valves aren't cheap and the old galvanised tank and ball valve was working fine with the pressure.

 

[gassafe]

Water pressure too high, maybe fit a 6" float or fit a Fluidmaster Side entry valve??

 

[GQuigley67]

2 ball valves same issue

 

[gassafe]

2 ball valves same issue

Are these both the same make? Maybe a nice Pegler one would do a better job?

 

[GQuigley67]

Bog standard one from plumb center, cheap. I think it's a pressure issue as if I tie the float up with string it shuts off.

 

[GasmanxxxR1]

Have you some how got one with a low pressure red thingy in it rather than the high pressure white one?