Description
The Navien NHW-199AE is a wall-hung non-condensing tankless gas water heater that supplies hot water on demand. It modulates from 10,700 to 199,900 BTU/h and can run on natural gas or propane.
Flow capacity is 5 GPM at a 67°F temperature rise, 7.4 GPM at 45°F and 9.5 GPM at 35°F, with a UEF rating of 0.81. The unit measures 17.3″ W x 26.5″ H x 10.3″ D and weighs 65 lbs. Installation location: outdoor wall-hung. Venting: outdoor model; no vent pipe required.
- Input range 10,700 – 199,900 BTU/h
- 5 GPM at 67°F rise
- UEF 0.81
- Stainless steel heat exchanger
- Electronic ignition; 120 V AC power supply
- 3/4 in. water and gas connections
- Residential warranty: 1 year labor, 5 years parts, 15 years heat exchanger
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