Adapt®+ Premium Condensing Ultra-Low NOx 199,000 BTU Natural Gas Tankless Water Heater
ATHR-199M 100
Product Details
The ATHR-199M is a condensing natural gas tankless water heater with a stainless-steel heat exchanger and an integrated recirculation pump. A built-in control display sets up to two recirculation schedules and shows heater status and error codes. It is field convertible to propane with the included kit and can be installed indoors or outdoors (outdoor vent cap kit sold separately).
- ENERGY STAR® certified with a Uniform Energy Factor of 0.95
- 199,000 maximum BTUs; 5.9 GPM at 67°F temp rise
- Integrated Recirculation Pump to reduce wait times at the farthest fixtures
- Optional WiFi module and optional X3® Scale Prevention cartridge (sold separately)
- Limited warranty: Heat Exchanger 15 Years, Parts 5 Years