Got an older Burnham boiler for hot water baseboard. Not made anymore. A small one, V1 series. Basement got flooded a few times and I guess the combustion chamber liner got wet. A lot of it seems to have crumbled and fallen off. Sort of a fiberglass-looking molded refractory blanket. Discovered the problem because I had no heat and found that chunks of the blanket had fallen and blocked the burner. The boiler is otherwise in good shape. How do you fix the liner? I looked up on the web and couldn’t find a liner as a repair part. No simple way to stuff it through the small access panel anyway.
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I once had a repairman do this to an oil-fired boiler. He called it a wet-pack, and it was a white material in rolls. This was about 15 years ago, and I don't think it was terribly expensive.
Thanks; I broke down and called a service guy. There's a wet repair kit for this model, but none of my sources sold it so I called the outfit that installed my boiler. Doesn't look like a real fun job since the access cover is very small. Figured it would be better to have somebody install it that knows what they're doing so I don't set the place on fire. The reline kit is around a hundred and has new gaskets and glue. The gaskets get trashed when you open it up.