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A.O. Smith® 100227692 ATI-110U Tankless Water Heater, Natural Gas Fuel
AOSATI110U
MFG #: 100227692
- Commercial / Residential / Dual: Dual
- Energy Factor: 0.81
- Flow Rate: 6.6 gpm
- Heating Capacity: 140,000 BTU/hr
- Indoor / Outdoor: Indoor
- Ultra Low NOx: Yes
- Vent Size: 3 in, 4 in
- Vent Type: Power / Power Direct
- Condensing / Non-Condensing: Non-Condensing
- Dimensions: 13-3/4 in W x 10 in D x 20-1/2 in H
- Gas Connection: 3/4 in NPT
- Ignition Type: Electronic Spark
- Manufacturer: A.O. Smith
- Manufacturer #: 100227692
- Pressure Rating: 15 to 150 psi
- Series: ATI-110U
- Water Connection: 3/4 in NPT
Fully modulating, gas fired, tankless water heater with sealed combustion and power vented flue. Indoor and outdoor models available for residential and commercial applications. Supplies hot water to domestic hot water systems and can be used with water storage tanks, recirculation systems and/or combined domestic and heating applications.
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.
A.O. Smith® Tankless Water Heater, Series: ATI-110U, 140000 Btu/hr Heating, Natural Gas Fuel, 3/4 in NPT Gas Connection, Electronic Spark Ignition, Power/Power Direct Vent, 3 or 4 in Vent, Condensing/Non condensing: Non-Condensing, 6.6 gpm, 0.81, 3/4 in NPT Water Connection, 15 to 150 psi, Ultra Low Nox: Yes, Indoor/Outdoor: Indoor, 13-3/4 in W x 10 in D x 20-1/2 in H, Commercial/Residential/Dual: Commercial/Residential
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.
A.O. Smith® Tankless Water Heater, Series: ATI-110U, 140000 Btu/hr Heating, Natural Gas Fuel, 3/4 in NPT Gas Connection, Electronic Spark Ignition, Power/Power Direct Vent, 3 or 4 in Vent, Condensing/Non condensing: Non-Condensing, 6.6 gpm, 0.81, 3/4 in NPT Water Connection, 15 to 150 psi, Ultra Low Nox: Yes, Indoor/Outdoor: Indoor, 13-3/4 in W x 10 in D x 20-1/2 in H, Commercial/Residential/Dual: Commercial/Residential
- Features
- Built-in freeze protection
- Manual reset hi limit (up to 194 deg F)
- Overheat cutoff fuse
- Inlet and outlet thermistors for constant temperature monitoring
- Air fuel ratio rod
- Flame sensor
- 4 in category III stainless steel
- 3 in combustion air intake
- 60 ft max length, 6 elbows max
- Indoor models include a built-in temperature controller and a factory-installed power cord as standard features
- Indoor models are certified from sea level from 0 to 10100 ft elevations
- Copper heat exchanger - 25x better heat transfer than stainless steel thus stabilizing outgoing water temperature quicker and reducing pressure drop across the heat exchanger