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Noritz has expanded its line of combination boilers with the new Noritz Residential Combination Boiler (NRCB), which allows for simultaneous residential domestic hot water and space heating—a first in the industry— and performs at a 95 percent AFUE.
Another industry first is the use of 316L austenite stainless steel primary and secondary heat exchangers, which have higher corrosion resistance than traditional heat exchangers, resulting in increased durability and a longer lifespan.
The NRCB is available in two models: The NRCB180DV has a maximum gas input Btuh of 180,000 for hot water and 100,000 Btuh for space heating. Its maximum flow rate is 9.8 gpm. The NRCB199DV has a maximum gas input Btuh of 199,000 for hot water and 120,000 Btuh for space heating. Its maximum flow rate is 11.1 gpm.
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