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The Residential Combination Boiler allows for simultaneous residential domestic hot water and space heating, while performing at a 95 percent Annual Fuel Utilization Efficiency. Its fuel-saving performance allows it to meet “Energy Star Most Efficient” standards.
The product uses 316L copper primary and secondary heat exchangers.
The boiler is available in two models: The NRCB180DV with a maximum gas input Btuh of 180,000 for hot water and 100,000 Btuh for space heating, and maximum flow rate is 9.8 gallons per minute (gpm); and 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.
A flow control valve ensures a consistent temperature for domestic hot water demand, regardless of incoming water temperature.
In addition, the product also features: venting versatility; recirculation capability: compact construction; built-in auxiliary pump connections; component design; built-in outdoor temperature reset; wifi capability; ultra-low-nox eco-burner; premix burner and easy wall-mounting.
Learn more about the Residential Combination Boilers by visiting Noritz's website.