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The Eccotemp Builder Series 6 GPM Indoor Natural Gas Tankless Water Heater (6GB-ING) is CSA approved and rated at an impressive 6 GPM with a temperature rise of 45 degrees. This tankless water heater is rated at 145,000 BTU and can produce unlimited hot water for 2-3 applications simultaneously. Eccotemp? s advanced 0.53 GPM low-flow ignition technology allows users to enjoy endless hot water without experiencing cold spots.

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