back boiler

[xtremeo]

got my cenwat exam next month, revising may get a back boiler, where do you cpa one draft diverter. with no fire or do you not cpa, just spillage and flue flow.

 

[Alex Knight]

MI's

 

[xtremeo]

hi thanks for reply, boiler is old and before cpa, MI just state splillage

 

[lame plumber]

be interesting trying to do a fga test on the boiler with a fire fitted, and with the fire off dam nigh impossible to reach through to the divertor on most so follow MIs as normal, never had to cpa a bbu on my acs yet

 

[xtremeo]

Hi thanks for help

 

[tamz]

You won't get a bbu to analise, maybe an open flued floor stander with a hole drilled in the flue. The results will surprise you.