thanks everyone for advice given . boiler now working perfect.
it was maxi potterton who came out turbofan.did say what was wrong with it but cant remember the name. but it was not what bg said . anway did not need a new boiler after all. a big thanks again everyone im now a happy bunny :D
thanks dangermouse phoned them as you suggested they do have the part and are coming out tomorrow. let you know outcome. its costing us 300 over 6 months . 50 a month which is a big differance than what bg wanted for newboiler 3,000. :o
he phoned them it was them that informed him that the part is discontinued. he showed me the part thats needed it looks like awatse pipe . on his picture it send p144. :(
:( had b g out this afternoon condemed my boiler powermax 155x because could not get part which is p144. it is something to do with the pipe that goes out of boiler to outside wall. he says it is very dangerous got no heating or hot water . coming back tomorrow to price a new boiler tomorrow...