Combination boiler

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The new Noritz Residential Combination Boiler (NRCB) allows for simultaneous residential domestic hot water and space heating and performs at 95 percent AFUE.

This unit’s simultaneous heating/DHW capabilities guarantee, in most cases, that someone will be able to take a hot shower without noticing a corresponding drop in space temperature when they get out, the company reports. Features include corrosion resistant 316L copper primary and secondary heat exchangers. A stainless steel flat plate heat exchanger provides DHW. There are two models – the NRCB180DV has a maximum gas input of 180,000 Btu/h for hot water and 100,000 Btu/h for space heating. Its maximum flow rate is 9.8 gallons per minute (gpm).

The NRCB199DV has a maximum gas input 199,000 Btu/h for hot water and 120,000 Btu/h for space heating. Its maximum flow rate is 11.1 gpm.
These units include a number of installer-friendly features including multiple venting options, DHW recirculation capability, built in auxiliary pump connections, built-in outdoor reset, Wi-Fi capability and compact construction.

Noritz www.noritz.com

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