The Rinnai Ultra is a wall-mounted, condensing tankless water heater with an energy factor of up to .96. The Ultra is Energy Star qualified and available in five sizes: 130,000, 152,000, 160,000, 180,000 and 199,000 BTU. Its two heat exchanger design increases efficiency and durability while reducing maintenance, and an integrated recirculation pump helps keep a steady supply of hot water in the supply line, which reduces water usage while creating a faster supply of heated water. The unit provides flexible venting by allowing for either concentric polypropylene or dual-pipe PVC/CPVC venting.
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