While you wait for answers, we may have found some information which could help you.
Click here for Boiler Small Front
heatslave 18/25 not firing oil?
heatslave 9.24 no pressure following leak?
expansion vessel is full of water and the boiler is locked out ?
w/b heatslave 20/25?
Expansion vessel full of hot water?
heatslave 20/25 boiler not working and the reset button is not lit up. ?
howtomendit.com for free repair help, information and advice.
