A.O. Smith ATI-110U Tankless Water Heater Natural Gas 140,000 BTU

Product Description

The A.O. Smith ATI-110U tankless water heater uses up to 140,000 BTU/h of natural gas/liquid propane to deliver an endless supply of hot water. It is great for apartments, one bath homes in cold climates, condos and summer cabins. Complies with Ultra-Low NOx regulations and meets energy efficiency requirements.

• Maximum BTUs: 140,000
• Minimum BTUs: 15,000
• Digital Display
• 6.6 MAX GPM
• 13-3/4" Width
• 10" Depth

Product Highlights

The ATI-110U tankless water heater provides years of hot water through innovation and quality. It has a Uniform Energy Factor of 0.81 and an industry leading

Product Information

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: ATI-110U
• Country of Origin: US

Technical Specifications

• Maximum BTUs: 140,000
• Minimum BTUs: 15,000
• UEF: 0.81
• Water Connection Location: Bottom
• Water Connection Size: 3/4"
• Heat Exchanger: Copper
• Voltage: 120V
• Digital Display: Yes
• Technology: Non-Condensing
• Height: 20 1/2"
• Width: 13 3/4"
• Depth: 10"
• Vent Type: Direct Vent
• Vent Length: 60 feet at 4 diameter
• Product Type: Tankless Heater
• Inlet Gas Pressure: 4.0-10.5"W.C
• Fuel Type: Natural Gas
• Installation Type: Indoor Only
• Gas Connection: 3/4 in NPT
• Water Connection: 3/4 in NPT
• Gas Input: 15000 to 140000 BTU/h
• Max Flow (GPM): 6.6
• Energy Factor: 0.82
• Power Source: GAS
• Emissions: Ultra-Low NOx
• ASME Certified: No
• GPM (@67 F Temp Rise): 3.5 GPM
• Application: RESIDENTIAL
• Product Tier: ProLine XE
• Side Loop: No
• Type: Water Heater
• BTU Input: 140,000
• Commercial/Residential/Dual: Commercial/Residential
• Condensing/Non Condensing: Non-Condensing
• Flow Rate: 6.6 gpm
• Heating Capacity: 140000 Btu/hr
• Ignition Type: Electronic Spark
• Indoor/Outdoor: Indoor
• Pressure Rating: 15 to 150 psi
• Series: ATI-110U
• Ultra Low NOx: Yes
• Vent Size: 3 or 4 in
• Display Type: LCD
• Duct Size: 4" Round
• Maximum Flow Rate: 6.6 GPM
• Maximum Gas Input: 140000
• Heating Technology: Non-Condensing
• Altitude Certification: 10100 ft.
• Max BTU Input: 140000
• Approved for Commercial Use: No
• Certifications: AHRI, CSA
• Energy Star: No
• Made in America: Yes
• Outdoor Approved: No
• SCAQMD Compliant: Yes
• Title 20 Compliant: No