Main to a Duotec

[jonnyswamp]

Can an existing flue from a Main 24he be used on a new Duotec
I know the position is different, but this isn't an issue
BTW, flue is good
Sec hex leaked condense on to primary and rotted it, £500 + for both hexs plus labour
New boiler time

 

[Billy Bob Bob]

vertical yes, ,same part numbers,horizontal no,different part numbers,positive fix,but not extensions so you could take the vertical section in or join on but not extensions or horizontal