got turbo max 828 fan and pump was running but boiler not ligthing.got engineer out he changed pressure switch i work away so was not there .boiler still not working.unable to get guy back.had look loosen cover and boiler fired up .once cover back not working any ideas
Building new single storey extension need advice on the following:
How far to dig down for the new floor and how would you build it back to floor level and what materials should I use.