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AO Smith
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AO Smith 10 GPM 199,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater with Ultra-Low NOx and x3 Scale Prevention Technology

Model: ATI-540HX3-N
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Item: bci4409065

$1,558.00
1 In Stock
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Delivered to 43026 by Friday, December 27th
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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
  • Uniform Energy Factor of 0.95
  • Tankless design allows for wall-mount installation, leaving more space available for you to use
  • Durable heat exchanger is constructed of commercial-grade copper resulting in greatly increased heat transfer and resistance to erosion
  • Can be used with either Category III or 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, internal freeze protection, constant temperature monitoring, and air fuel ratio sensor
  • Recirculation pump capable with the use of a cross-over valve (sold separately)
  • Complies with lead-free standards
  • Designed for indoor use only
  • Covered under a 15-year limited residential heat exchanger warranty
  • 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)
  • x3 Scale Prevention Technology: No annual descaling required. No scale buildup means the heater maintains like-new performance longer.

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
Additional AO Smith Links

Dimensions and Measurements

Activation GPM
0.5
Depth
11.25 in.
Duct Size
3" Round, 4" Round
Gas Connection
3/4"
Height
23.63 in.
Maximum Flow Rate
10 GPM
Maximum Gas Input
199000
Minimum Gas Input
15000
Product Weight
59 lbs.
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
Gas Connection
3/4"
Height
23.63 in.
Maximum Flow Rate
10 GPM
Maximum Gas Input
199000
Minimum Gas Input
15000
Product Weight
59 lbs.
Water Connection
3/4"
Water Pressure (Max)
150 PSI
Water Pressure (Min)
15 PSI
Width
17.75 in.

Characteristics and Features

Direct Vent
Yes
Display Type
LCD
Heating Technology
Condensing
Indoor Installation
Yes
Vent Type
Direct Vent
Water Connection Type
NPT

Characteristics and Features

Direct Vent
Yes
Display Type
LCD
Heating Technology
Condensing
Indoor Installation
Yes
Vent Type
Direct Vent
Water Connection Type
NPT

Electrical and Operational Information

Altitude Certification
10100 ft.
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
10100 ft.
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
No
Heat Exchanger Warranty
15-Years Limited Residential
Low Lead Compliant
Yes
Manufacturer Warranty
1 Year Labor, 5 Year Parts
Outdoor Approved
No
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
No
Heat Exchanger Warranty
15-Years Limited Residential
Low Lead Compliant
Yes
Manufacturer Warranty
1 Year Labor, 5 Year Parts
Outdoor Approved
No
Product Variation
Whole House Water Heater
SCAQMD Compliant
Yes
Title 20 Compliant
Yes
Uniform Energy Factor
0.95

Reviews

(2)
5 out of 5 Stars

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