Skip to main content
AO Smith
N/A

AO Smith 10 GPM 199,000 BTU 120 Volt Residential Outdoor Natural Gas Tankless Water Heater with Ultra-Low NOx and Integrated Recirculation Pump

Model: ATO-540P-N
|
Item: bci3813362

$1,556.10
Special Order
placeholder
Free Shipping!
Leaves the Warehouse in 6 to 11 weeks
-
Return & Shipping Details

Details

Features:

  • Never run out of water again with a steady 10 GPM flow rate
  • Electric ignition ensures you never have to mess with a pilot light again
  • This product is Energy Star certified with a Uniform Energy Factor of 0.95
  • Tankless design allows for wall-mount installation, leaving more space available for you to use
  • Includes a wall mount temperature remote controller and advanced diagnostics to simplify troubleshooting
  • Durable heat exchanger is constructed of commercial-grade copper resulting in greatly increased heat transfer and resistance to erosion
  • Can be used with Category IV power direct venting in either a 3" or 4" size
  • Protected by a multitude of built-in safety features such as an overheat cutoff fuse, constant temperature monitoring, and air fuel ratio sensor
  • Capable of common-venting up to 8 units
  • Complies with lead-free standards
  • Designed for outdoor use only
  • Covered under 15-year limited residential and 5-year limited commercial heat exchanger warranties
  • Covered under 1 year labor and 5 year parts manufacturer warranties

Product Technologies:

  • Ultra-Low NOx Condensing Technology: Meets SCAQMD 1146.2 requirements for Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)

Specifications:

  • Width: 17-3/4"
  • Height: 23-5/8"
  • Depth: 11-1/4"
  • Fuel Type: Natural Gas
  • Gas Connection: 3/4" NPT
  • Water Connection: 3/4" NPT
  • Water Pressure (Min): 15 psi
  • Water Pressure (Max): 150 psi
  • Voltage: 120V

Manufacturer Resources

Owner's ManualSpecification Sheet

Dimensions and Measurements

Activation GPM
0.5
Depth
11.25 in.
Duct Size
3" Round, 4" Round
Flow Rate (GPM)
0.17
Gas Connection
3/4"
Height
23.63 in.
Length
17.75 in.
Maximum Flow Rate
10 GPM
Maximum Gas Input
199000
Minimum Gas Input
13000
Product Weight
62.5 lbs.
Uniform Energy Factor (UEF)
0.95
Water Connection
3/4"
Water Pressure (Max)
150 PSI
Water Pressure (Min)
15 PSI
Width
17.75 in.

Dimensions and Measurements

Activation GPM
0.5
Depth
11.25 in.
Duct Size
3" Round, 4" Round
Flow Rate (GPM)
0.17
Gas Connection
3/4"
Height
23.63 in.
Length
17.75 in.
Maximum Flow Rate
10 GPM
Maximum Gas Input
199000
Minimum Gas Input
13000
Product Weight
62.5 lbs.
Uniform Energy Factor (UEF)
0.95
Water Connection
3/4"
Water Pressure (Max)
150 PSI
Water Pressure (Min)
15 PSI
Width
17.75 in.

Included Components

Includes Remote
Yes

Included Components

Includes Remote
Yes

Characteristics and Features

Direct Vent
Yes
Gas Connection Type
3/4" NPT
Heating Technology
Condensing
Installation Location
Outdoor
Installation Type
Wall Mounted
Vent Type
Direct Vent
Water Connection Location
Bottom
Water Connection Type
NPT

Characteristics and Features

Direct Vent
Yes
Gas Connection Type
3/4" NPT
Heating Technology
Condensing
Installation Location
Outdoor
Installation Type
Wall Mounted
Vent Type
Direct Vent
Water Connection Location
Bottom
Water Connection Type
NPT

Electrical and Operational Information

Altitude Certification
6000 ft.
BTU/hr
199000, 15000
Condensing
Yes
Default Temperature
120 °F
Energy Factor
0.95
Fuel Type
Natural Gas
Ignition Type
Electric
Max BTU Input
199000
Voltage
120

Electrical and Operational Information

Altitude Certification
6000 ft.
BTU/hr
199000, 15000
Condensing
Yes
Default Temperature
120 °F
Energy Factor
0.95
Fuel Type
Natural Gas
Ignition Type
Electric
Max BTU Input
199000
Voltage
120

Warranty and Product Information

ANSI Certification
Z21.10.3
Certifications
AHRI, ANSI, CSA
Energy Star
Yes
Heat Exchanger Warranty
15-Years Limited Residential, 5-Years Limited Commercial
Low Lead Compliant
Yes
Manufacturer Warranty
1 Year Labor, 5 Year Parts
Outdoor Approved
Yes
Product Variation
Whole House Water Heater
SCAQMD Compliant
Yes
Title 20 Compliant
Yes
Uniform Energy Factor
0.95

Warranty and Product Information

ANSI Certification
Z21.10.3
Certifications
AHRI, ANSI, CSA
Energy Star
Yes
Heat Exchanger Warranty
15-Years Limited Residential, 5-Years Limited Commercial
Low Lead Compliant
Yes
Manufacturer Warranty
1 Year Labor, 5 Year Parts
Outdoor Approved
Yes
Product Variation
Whole House Water Heater
SCAQMD Compliant
Yes
Title 20 Compliant
Yes
Uniform Energy Factor
0.95

Reviews

(0)

Product Q&A

Matching Products