Triangle Tube’s Challenger Combination boiler incorporates an instant hot water feature that provides up to 3 gpm of hot water, eliminating the need for a separate domestic hot want tank. With dual copper waterways providing both space heat and domestic hot water in the primary heat exchanger, the system does not require a separate heat exchanger, pump and three-way valve. It is available in three models from 84,000 to 124,000 BTU per hour.
Triangle Tube. www.triangletube.com
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