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I'm not sure if this is actually too tight. I know there should be room for the solder to flow but should this actually be loose? These are just a (very) light tap fit at the moment. Any comments on the fit required would be welcome
Thanks again for your input guys. I think that I may have this just a little too tight so will ease it a little more when finally assembling up for soldering. Yes, I had planned to pop in a few rivets firstly to help alignment of the flue to the vertical line of the boiler and secondly to prevent movement after Frazer mentioned it before - I guess that was a real 'Golly Gosh - look what I have done' moment eh Frazer? I can well imagine how you must have felt so I hope you managed to reclaim it.Thanks for your tips too George. Re your pic. I see there's no flux on it so it may just be to show the final 'dry run' but as you have the lower plate rivets in place too would you set this up as shown with all those bushes in and both end plates set and solder this all in one heat or would you split that into three of four heats, pickling in between adding the new parts as you go? (Multiple heats is my current plan - one end, flue and bushes first - then the back end - then the safety valve bush (and the dome if it has to be replaced).Thanks againRegards - Ramon