Cast Iron Oil-Fired Water Boilers - can.olsenhvac.com
The OSFH natural draft chimney vent & OSW side wall ventoil-fired water boilers deliver high efficiency, reliability and easeof maintenance for homes requiring hot water heat fueled byoil. A smart design combined with quality components result inlower operating costs makingthe OSFH & OSW Series anideal replacement or new construction choice.
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