A.O. Smith ATI-510U 199,000 BTU Non-Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG/LP)

Product Description

The A.O. SMITH ATI-510U is a tankless water heater using up to 199,000 BTU/h of natural gas/liquid propane. Well suited for residential/commercial applications, it features a commercial grade copper heat exchanger. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements of ASHRAE 90.1-b 1992.

• Continuous flow rate up to 10.0 GPM
• Wall-mount design saves valuable space and allows for additional storage and flexibility
• Commercial-grade copper heat exchanger is 25x better than stainless steel at heat transfer, stabilizing outgoing water temperatures quicker

Product Highlights

This tankless water heater delivers an endless supply of hot water. It is easily convertible from natural gas to propane with supplied kit.

Product Information

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: ATI-510U
• Country of Origin: US

Technical Specifications

• Product Type: Tankless Heater
• Fuel Type: Natural Gas, Propane
• Inlet Gas Pressure: 4.0-10.5"W.C
• Installation Type: Indoor Only
• Gas Connection: 3/4"
• Water Connection: 3/4"
• Voltage: 120v
• Energy Factor: 0.82
• Max Flow (GPM): 10
• Width (Inches): 13-3/4"
• Depth (Inches): 10"
• Height (Inches): 20.5"
• BTU (Max): 199000
• BTU (Min): 15000
• Vent Type: Direct/Power
• Type: Non-Condensing
• Application: Residential
• Includes: Gas Conversion Kit
• Flow Rate at 40F Temp Rise (GPM): 8.3
• Flow Rate at 50F Temp Rise (GPM): 6.9
• Flow Rate at 60F Temp Rise (GPM): 5.5
• Flow Rate at 70F Temp Rise (GPM): 4.8
• UEF: 0.81
• Maximum BTUs: 199,000
• Power Source: GAS
• Water Connection Location: BOTTOM
• Emissions: Ultra-Low NOx
• ASME Certified: No
• Digital Display: Yes
• Fuel Source: NATURAL
• GPM (@67 F Temp Rise): 5 GPM
• Minimum BTUs: 15,000
• Product Tier: ProLine XE
• Side Loop: No
• BTU Input: 199,000
• Max Flow Rate: 10 GPM
• Venting: Direct Vent
• MPN: 100227716
• Series: ProLine XE
• Gas Type: NG Natural Gas or LP Liquid Propane
• Commercial/Residential/Dual: Commercial/Residential
• Condensing/Non Condensing: Non-Condensing
• Heating Capacity: 199000 Btu/hr
• Ignition Type: Electronic
• Indoor/Outdoor: Indoor
• Pressure Rating: 15 to 150 psi
• Ultra Low NOx: Yes
• Vent Size: 3 in, 4 in