Update again…
Drilled the hole and tapped it to 1/4-40 in water tank, used reducing bushing and drilled 13/64” inside the bushing so the OD of the copper tube will slide in but enough space to solder it into the bushing. Drilled a 13/64” hole in exhaust chimney making sure it’s squared up.
Screws into the top of the water tank, and piped to the exhaust chimney. Will look cool, and stays hot enough that no steam will condense and fall into the fire chamber.
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