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Water Heaters
Tankless Water Heaters
AO Smith® 100374891 ATHR-199X3 Adapt®+ Premium Tankless Water Heater, 199,000 BTU, Natural Gas, LP Conversion Kit Included
Part #
215027
MFG #
100374891
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AO Smith® 100374891 ATHR-199X3 Adapt®+ Premium Tankless Water Heater, 199,000 BTU, Natural Gas, LP Conversion Kit Included
Part #
215027
MFG #
100374891
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AO Smith® 100374891 ATHR-199X3 Adapt®+ Premium Tankless Water Heater, 199,000 BTU, Natural Gas, LP Conversion Kit Included
Part #
215027
MFG #
100374891
Item Features
Attributes
Documents
Item Features
Field convertible from natural gas to liquid propane
ENERGY STAR® certified with a UEF of 0.95
Flexibility in Installation—PVC venting flexibility (2” up to 50’ & 3" up to 150’); Install indoor or outdoor (outdoor kit sold separately)
Save up to $116/year on operating costs—Compared to a standard 50-gallon atmospheric vent natural gas tank water heater
Lasts 3x Longer—Integrated X3® Scale Prevention Technology provides protection for the heat exchanger
Expandable for Larger Applications—Cascade up to 12 like heaters when multiple water heaters are required to work in conjunction (cable included)
Built-in Control Display—Check status, error codes and settings using the built-in display
Attributes
Fuel Type
Natural Gas, LP Conversion Kit Included
Ignition Type
Electric
Maximum Flow Rate
10.5 GPM
Series
Adapt®+ Premium
Type
Tankless
Vent Type
Power Direct Vent
Documents
Specification Sheet