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Slant/Fin boiler door crack
I have a Slant/Fin Liberty boiler and the front burner mounting plate door has a small crack running from one of the bolt holes into the observation door hole. The front door is no longer available from Slant/Fin so I will have to have it repaired, my question is, should it be welded or brazed? I have seen a lot of debate on what process is the best solution but I have yet to see why one method might be better than the other. The door itself is cast iron and the crack is extremely thin, the only way you can really see it is if it were backlit from behind. Please let me know if there is any advantage/disadvantage between the two possible repairs (weld vs braze)