Understanding the NRCP line of tankless water heaters

Understanding the NRCP line of tankless water heaters

Posted on January 8, 2015 by noritz

Noritz-NRCP

Whether it’s enjoying a warm drink, bundling up by a fire or taking a hot shower after some serious snow shoveling, this is the time of the year when warming up is most important to us.

Certainly, the last thing anyone wants is to be left out in the cold. Think about it: What if there was a way to eliminate those long, awful waits for hot water at the shower, while at the same time avoid wasting water and energy down the drain? Well, Noritz has the answer…

The new NRCP line of residential tankless water heaters from Noritz America combines the high efficiency of condensing technology with the comfort and savings of on-demand, hot-water recirculation.

The digital display on the front of the water heater allows homeowners to program the recirculation system to operate only when needed, with precision down to the hour. An alternative auto setting lets the system learn a household’s water-usage routines and automatically allow for immediate hot water when it is needed the most.

How do these two concepts work together? Let’s find out!

 

  1. Recirculation:

A circulating pump inside the water heater keeps hot water close to the outlet — such as a shower head — minimizing the wait and, therefore, the waste of unused potable water down the drain. Saving water, in this case, is doubly beneficial, because recirculation also avoids wasting the energy used to heat that water.

        2. Condensing Technology:

Similar to conventional tankless water heaters, condensing models save energy and protect the environment by heating water strictly on demand; i.e., only when the faucet, shower or appliance is turned on. These units require no standing pilot light and no storage, permitting substantial energy savings because there’s no wasteful reheating of stored water, as with traditional storage-type heaters.

A condensing water heater has not one, but two, heat exchangers: a primary exchanger to heat the water moving through it; and a secondary exchanger to draw heat from the warm gases going up the flue — the by-products of the water heater’s combustion process. This secondary device uses the heat from the combustion gases to preheat incoming cold water on its way to the primary heat exchanger. Squeezing more heat from the departing flue gases is what boosts the unit’s efficiency rating to more than 90 percent.

That’s why the Noritz NRCP98-DV and the NRCP1112-DV have Energy Factors that are more than 10 points higher than that of a comparably sized, conventional tankless unit, and approximately 30 points higher than a standard, tank-type, gas-fired water heater.

So, not only are you improving your showering experience, but you also get enhanced energy- and cost-saving benefits by going with tankless.

For more information about the NRCP Condensing Tankless Water Heater, please visit www.noritz.com.

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