By blending on-demand heating with a 40-gallon storage tank, Rinnai’s Hybrid Tank-Tankless Water Heater delivers more than twice the first hour water-heating capacity of a traditional 50-gallon tank. Aimed at replacement jobs where customers want more hot water but don’t want to remodel their plumbing, it installs like a traditional unit, with the same gas line and water connections. Rinnai, 800.621.9419,

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