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Posted by errol on February 05, 2006 at 22:14:31:
I have an ancient Capitol Sunray boiler, size 1-4, oil converted to natural gas.
I believe it is the original unit installed 50 years ago. Old Sunray chugged along nicely until Friday.
At the rear of furnace firbox wall are two circular things with what appears to be screws in the center. A thin jet of water was escaping from side of top one.
I called local gas company technician.(sub-contractor.) Immediately said boiler useless and I need new one. I know the old Sunray's days are numbered, and also accept pros of upgrading.
A second technician said the round thing was heat exchanger seal. It could be repaired/sealed and boiler will be OK for a year or maybe longer.
I would prefer to delay new boiler purchase for a while. Got no heat (Boston) so have to make up my mind soon!
Question: Is it, indeed, possible to repair this leak? Do any technicians still do this kind of work?