The 540 Series is well suited for residential use. Utilizing commercial-grade copper alloy for the heat exchanger tubing, the 540 Series is also suitable for heavier residential usages such as domestic recirculation systems. Remote control included as a standard feature on all outdoor models. Indoor models are certified up to 10100 ft altitude. Provides a variety of installation options - outdoor and direct vent. Complies with ultra-low NOx regulations and meets the energy efficiency requirements. Easy-link system capable up to four units. The ATI-540H-P tankless water heater uses up to 199000 Btu/hr of liquid propane to deliver an endless supply of hot water for a three-bath home in northern climates and up to a four-bath home in southern climates (one shower head per bath). Utilizing condensing technology, this heater is extremely efficient with a uniform energy factor of 0.93. With an industry leading 15 years limited warranty, the ATI-540H-P tankless water heater provides years of hot water through innovation and quality.
Mid-City Product ID: 348329
Manufacturer: A.O. Smith
Manufacturer Part Number: 100123440
Additional Information: Lead-Free; Overall Dimension 17-3/4 Inch Width x 11-1/4 Inch Depth x 23-5/8 Inch Height; Energy Factor 0.93; Pressure Rating 150 PSI
Applicable Standard: CSA (Canada and US), AHRI, NSF, ANSI Z21.10.3, CSA 4.3, IAPMORT, SCAQMD 1146.2
Application: For indoor, residential and commercial applications
BTU Rating: 13000 to 199000 Btu/hr
Brand: A.O. Smith
Burner Type: Low Nitrogen Oxide
Connection Type: NPT
Dimensions: 23-5/8 in H x 17-3/4 in W x 11-1/4 in D
Draft Hood Outlet Vent Size: 3 Inch or 4 Inch
Energy Factor: 0.93
Energy Saver Conformance: Yes
Flow Rate: 10 gpm
Fuel Type: Liquid Propane
Gas Connection: 3/4 Inch Threaded
Gas Type: Propane
Gph Recovery: 10 GPM
Heating Element: Copper/Stainless Steel
Ignition System: Electronic
Ignition Type: Electronic Spark
Inclusions Features: Air-Fuel Ratio (Afr) Sensor, Overheat Cut-Off Fuse, Factory-Installed Power Cord
Inlet Outlet Connection: 3/4 Inch
Input Supply Rating: 199000 BTU/Hour
Insulation Details: Thermal
Lead Free Contains Lead: Lead-Free
Pressure Rating: 15 to 150 psi Water, 8 to 14 in-WC Natural Gas
Product Features: Continuous Maximum Flow Rates up to 10.0 GPM; Exhaust and Water Temperature Safety Control; Overheat Cut-Off Fuse; Internal Freeze Protection System; Power Direct Vent Design; Energy Star Rated; Lead-Free
Standards/Approvals: AHRI Certified|ANSI Z21.10.3|cCSAus Certified|CSA 4.3|ENERGY STAR Certified|IAPMO R&T Low Lead Certified|LEED 1.5|NSF Certified|SCAQMD Rule 1146.2
Temperature Rating: 99 to 122 deg F
Type: Space Saving, Indoor, High Efficiency
UNSPSC: 40101826
Vent Diameter: 3, 4 in
Vent Size: 70 ft L at 3 in Dia, 100 ft L at 4 in Dia
Vent Type: Power Direct
Venting Type: Power Direct
Voltage Rating: 120 V
Warranty: 15 year Limited Residential, 5 year Limited Commercial Heat Exchanger, 5 year Parts
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