Anyone know where I might find a flue outlet connector shown below? Have looked online and can't seem to find anything. Called Tarm Biomass last year and very, very expensive. The outside diameter of the collar believe it or not is 5 1/2". the piece below came with the boiler and has rusted out. The outlet connector slips over the boiler outlet collar (tight by the way) and the other end accepts crimped end of 6" single wall stove pipe as you would expect. Thanks.
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