Where is the knob for the worcester combi-boiler 35cdi kept, i cant find it anywhere? ...

On my cement underground store walls in that...
Answers:    Underneath the boiler should be a white plastic cover which covers most of the bottom of the boiler, to remove it, pull towards you and it will come out, the push button should be attached to the back of it, some race keep the switch with the instructions, the key are not all impossible to tell apart size, depends on the age of the boiler.
How do i dirty a pool over hours...
Well mines hanging up bringing up the rear the door.