My old foreman in Gary told me to gap my tube ends at 3/32 and it saved the boiler

Anna Craig · 2026-10-02T19:40:02.414571+00:00

He told me that trick 12 years ago on a firetube job in Gary and I finally used it on a retube in Fort Wayne where the tubes were walking on me, and after the hydro there wasn't one leak, so what gap do you all run on a 2 inch tube?

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My old foreman in Gary told me to gap my tube ends at 3/32 and it saved the boiler | Boilermakers - The Community Guide