- Digital Display: Assists in trouble-shooting by indicating flow rates, temperature and common error codes
- Warranty: Longer coverage than competition, 12 years on heat exchanger, 5 years on parts, 1 year labor
- Size: Runs up to two (2) showers simultaneously. NRC661 heats water on demand, so no storage or shortage of hot water!
- Efficiency: NRC661 has up to 93% efficiency that is good for both the environment and your pocket
- Standard Input: Gas consumption ranges from 15,000 BTUh to 120,000 BTUh
- Save Space: Smaller than a carry-on luggage, the NRC661 saves valuable floor space
- Long Lifespan: Built with precision quality, the NRC661 can last up to 15 years. Almost double what a typical tank type heater lasts
- Clean Water: Your bathing water is not stored in rusty scale; since there is no storage. It is available when you need it - clean & fresh
- Safety Devices: Flame Sensor, Overheat Prevention Device , Lightning Protection Device, Freeze Protection, Condensate Overfill, Fan Rotation Detector.
- Additional Features: Temperature Lockout, High Elevation Adjustment.
- Approvals: CSA, UPC**, NSF, Low NOx Approved by SCAQMD [<14ng/J or 20ppm], This product complies with California AB 1953 Low Lead Law.