Worcester Bosch 30cdi

[JDPlumbing]

I have a worcester bosch 30cdi that when it is in normal use it makes a banging noise the boiler is about a year old i have checked the gas pressure and that is fine when i put the boiler on maximum the boiler doesnt bang at all and when i check the working pressure at the gas valve i have 18mbar the recomended pressure on maximum. All of the pipework is new as i have changed and flushed the whole system and also have a magna cleaner fitted and that has been cleaned at least twice in the last year and when i checked it earlier it only had a very small deposit on it. Can anyone shed some light on the strange noise im getting please?

 

[Barry98]

you got a fga , whats that say ? sounds like the mix might be wrong

 

[SimonJohns]

Have you checked your condense trap?

 

[JDPlumbing]

Have you checked your condense trap?

Yes i have checked trapandnoproblems there was a bit of foam insulation from when builder cut hole in ceiling for flue i removed it but made no difference to the noise.Can anyone suggest a good value for money flur gas analyser as i know i need one but cash a bit tight at the moment.

 

[leelister6]

There was a thread on here yesterday re. FGA's have a read of that but if you go cheap or 2nd hand you'll probably regret it

 

[cdodds2004]

i have a anton sprint v2 its about £650 now but a belting piece of kit, for time being see if u can borrow some one elses to check the ratio etc

 

[SimonJohns]

Plumbs do a cheap CPA for about £200