Advice on Flow and Thermastat

[RikkiDees]

No at 65c with the water on its own the boiler just keeps going until the end of the timer session which is set at 1 hour & 40 mins

What about heating (room) only I’m guessing that test was heating and hot water on together?

The bypass valve is set a half a turn open is this normal or should it be closed, and would that even make a difference?

 

[ShaunCorbs]

No at 65c with the water on its own the boiler just keeps going until the end of the timer session which is set at 1 hour & 40 mins

What cylinder do you have and any pictures of it ?

 

[RikkiDees]

What cylinder do you have and any pictures of it ?

Sorry been at work all day.
Should the Bypass valve be open do you know. Albeit only half a turn.

 

[ShaunCorbs]

Yes the bypass is fine tbh can be shut as you have a 3 port