The sealed combustion, direct vent Futera III boilers feature rugged, four-pass design gasketless heat exchangers with bronze headers and fittings that prevent rust and corrosion. Finned tubes are made of industrial-grade copper.
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The sealed combustion, direct vent Futera III boilers feature rugged, four-pass design gasketless heat exchangers with bronze headers and fittings that prevent rust and corrosion. Finned tubes are made of industrial-grade copper.
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