A.O. Smith Ato-310U Tankless Water Heater Natural Gas 190000 BTU

Product Description

The A.O. SMITH ATO-310U tankless water heater uses up to 190,000 BTU/h of natural gas to deliver an endless supply of hot water. It features a max flow rate of 8.0 gallons per minute, enough hot water to run three showers at the same time. This unit complies with Ultra-Low NOx regulations and meets energy efficiency requirements.

• Natural Gas
• 8 MAX GPM
• Outdoor Only

Product Highlights

The ATO-310U tankless water heater provides years of hot water through innovation and quality.

Product Information

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: ATO-310U

Technical Specifications

• Emissions: Ultra-Low NOx
• Maximum BTUs: 190,000
• Minimum BTUs: 15,000
• UEF: 0.82
• Water Connection Location: Bottom
• Water Connection Size: 3/4"
• Heat Exchanger: Copper
• Voltage: 120v
• Remote Control: Yes
• Technology: Non-Condensing
• Height: 20 1/2"
• Width: 13 3/4"
• Depth: 9 1/2"
• Product Type: Tankless Heater
• Fuel Type: Natural Gas
• Inlet Gas Pressure: 4.0-10.5"W.C
• Installation Type: Outdoor Only
• Gas Connection: 3/4"
• Water Connection: 3/4"
• Gas Input: 15000 to 190000 BTU/h
• Energy Factor: 0.82
• Max Flow (GPM): 8
• Depth (Inches): 9-1/2"
• Height (Inches): 20.5"
• Width (Inches): 13-3/4"
• Power Source: GAS
• ASME Certified: No
• Digital Display: Yes
• Fuel Source: NATURAL
• Installation: OUTDOOR
• GPM (@67 F Temp Rise): 4.8 GPM
• Application: RESIDENTIAL
• Product Tier: ProLine XE
• Side Loop: No
• Type: Water Heater
• Vent Type: Direct Vent
• Commercial/Residential/Dual: Commercial/Residential
• Condensing/Non Condensing: Non-Condensing
• Flow Rate: 8 gpm
• Heating Capacity: 190000 Btu/hr
• Ignition Type: Electronic Spark
• Indoor/Outdoor: Outdoor
• Pressure Rating: 15 to 150 psi
• Ultra Low NOx: Yes