protherm 100e

[nobby1234]

i have moved house and unfortunately there is a protherm 100e boiler fitted,,problem is when hot tap turned on boiler starts up and runs for about 2 mins hot water at tap, then gas flame goes out,,boiler starts up again and the same thing happens,,same happens with central heating,, any1 know what the problem could be ,,any help will be appreciated,,cheers nobby1234

 

[ChrisR]

Dirt in system, boiler not commissioned properly or needs adjustment, faulty temp sensor.....

 

[nobby1234]

Thanks for that chrisR,,is it more likely to be temp sensor,,also forgot to say gas flame not very high,,

 

[Agile]

How do you judge how high the gas flame should be?

Tony

 

[gasgeezer]

Sounds like it could be a blocked dhw heat/exch.