I noticed that the heat exchanger baffle is made out of a brass or bronze alloy material when I wire brushed it . I've gone through the wire brushing every year, for the past five years, and never noticed it before. Does anyone know what the meta composition is? It's not soft enough to be solid brass.
Sorry about the misspelling in my posting title, I couldn't figure out how to edit it.
Sorry about the misspelling in my posting title, I couldn't figure out how to edit it.