Hot water/Tap problem.

[vaughan]

Can anyone tell me why after a baths been run, and I put the hot tap on in the kitchen, the hot water starts running again in the bathroom. system is a combi boiler.
Any idear's?

 

[M.Joshi]

Do you mean water starts coming out of the closed hot water tap in the bathroom?

 

[Simon F]

not quite sure what your saying here, is it a fault with the bath tap or boiler?

 

[vaughan]

Thats right M.Joshi.

 

[M.Joshi]

If I previously remember reading correctly, this may be caused by 'back-flow' pressure? Probably need to replace the hot water valve/washer on the bathroom tap but I'll let other's comment.

I think you can get a similar problem on toilet cisterns letting in additional water when a cold water tap is opened. Usually the diaphragm washer needs replacing.

 

[vaughan]

Yeah I see what your saying that makes sense. Thanks M.Joshi.

 

[johnnyplumb]

what type of tap is opening on it's own , is it a lever type ?

 

[vaughan]

Lever Lever johnnyplumb.

 

[vaughan]

Am i right in saying there would be no washer in a lever tap.?

 

[johnnyplumb]

i've seen this happening before with lever taps. it will be a quarter turn valve, take the tap head off, there maybe a gland nut which you can tighten, if not then replace the tap valve with a new 1/4 turn valve.