Choose the right heating and air conditioning system for your home and you’ll save money upfront, recuperate your investment through lower energy bills or both.
Noritz – NRC661 DV Condensing Tankless Water Heater
The ENERGY STAR rated NRC661 DV, Noritz's newest efficient condensing model with a half inch gas line. Featuring the same energy‐saving condensing technology as the rest of the Noritz eco‐TOUGH™ Series of gas‐fired residential tankless water heaters, the NRC661 DV has an Energy Factor of 0.91 for natural gas and 0.93 for LP. These ratings are nearly 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.
With a maximum input of 120,000 BTU per hour (BTUh), using a half‐inch gas line up to 120 feet in length. A new, more accurate interpretation of the National Fuel Gas Code permits the use of the smaller‐diameter gas piping for inputs up to 174,000 BTUh, as long as the water column pressure at the inlet of the unit is a minimum eight inches.
Features:
Standard Input: Gas consumption ranges from 15,000 BTUh to 120,000 BTUh
Capacity Range: Flow rates from 0.5 GPM up to 6.6 GPM
Compact Design: ANSI Z21.10.3/CSA 4.3 certified design that can be
wall‐mounted outdoors
Durable Steel Casing with Polyester Coating
Venting Options: Available as an Outdoor (requires no venting) or indoor
Direct Vent (‐DV) model which includes special plastic flue adapters that are
compatible with both 3" Schedule 40 and 80 PVC/CPVC pipe. The DV model can
be converted to a non‐direct vent (SV) model with the use of a conversion Kit
(#SV‐CK‐3)
Direct Electronic Ignition
Energy Factor: 0.91(NG) 0.93(LP)
Thermal Efficiency: Fully condensing, 93% efficient for use with natural gas or
propane
Temperature Controls: Includes built in display that can preset the output
temperature to either 120°F, 135°F, or 140°F
Power Cord Installation Kit: 6' power cord is included with ‐DV models only
