HVAC Residential Market / What's New / Products

Noritz America Corp.: Residential Condensing Tankless Water Heater

February 27, 2012
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tankless water heaterThe ecoTough™ Series of gas-fired residential condensing tankless water heaters has been expanded with the NRC83, an Energy Star®-rated unit designed for smaller homes and multifamily dwellings. Available in both indoor (the two-pipe, direct vent NRC83-DV) and outdoor (NRC83-OD) models, the new wall-mounted units have an energy factor (EF) of 0.92 for natural gas and 0.94 with liquid propane. It features a gas-consumption range of 16,000 to 157,000 Btuh. With flow rates from 0.5 to 8.3 gpm and temperature settings from 100 to 140°F, the NRC83 heats water strictly on demand. The indoor models can be vented with 3- or 4-inch Schedule 40 and 80 PVC or CPVC pipe. Besides being easier to work with on the jobsite, the PVC and CPVC piping also permits vent runs of up to 62 feet, giving builders, remodelers, and plumbing and HVAC contractors many more options on where to position the water heater, the company says. The high-efficiency, low-NOx Eco-Burner™ has a nitrogen-oxide emissions level that is within 20 ppm, which complies with the new South Coast Air Quality Management District (SCAQMD) regulations that went into effect on Jan. 1. The NRC83 can be readily converted from direct vent (DV) to nondirect vent (SV) operation, so that it can draw makeup air for its combustion process from inside the building, rather than from the outdoors. To ensure proper and safe operation, a special kit that the company offers, #SV-CK-3, contains all of the components an installer needs to make the conversion. According to the company, an improvement over the previous generation of its tankless water heaters includes reduced consumption of standby electricity by the power transformer.

Noritz America Corp.
877-986-6748
www.noritz.com

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