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Main product image of 120,000 BTU ATO-140H Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)
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120,000 BTU ATO-140H Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)

Brand:
AO Smith
SKU:
ATO-140H-N
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120,000 BTU ATO-140H Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)
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$1,023.00 each
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Product Highlights

–
Product Highlight: Fuel Type
Natural Gas
Product Highlight: Max Flow (GPM)
6.6 MAX GPM
Product Highlight: Installation Type
Outdoor Only
Product Highlight: Voltage
120v
Product Highlight: Width (Inches)
13-7/8" Width
Product Highlight: Depth (Inches)
10-13/16" Depth

Description

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This unit is NOT approved for installation in Manufacture Homes and is not suitable for space heating applications only.

The 140H Series offers high efficiency Ultra-Low NOx condensing technology allowing for the use of 3” PVC venting and has 0” clearance to combustibles. Indoor models are certified up to 10,100 ft. altitude. Provides a variety of installation options: indoor, outdoor and direct vent. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements of ASHRAE 90.1b-1992. The ATO-140H-N tankless water heater uses up to 120,000 BTUs of natural gas to deliver a max flow rate of 6.6 GPM. It utilizes condensing technology to achieve a Uniform Energy Factor of 0.91. this model meets Ultra-Low NOx emission requirements, and comes with a 15-year limited warranty. A. O. Smith's ProLine water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.

Features:
  • Continuous flow rate up to 6.6 GPM
  • Wall-mount design saves valuable space and allows for additional storage and flexibility
  • Primary commercial-grade copper heat exchanger is 25x better than stainless steel at heat transfer, stabilizing outgoing water temperatures quicker
  • Secondary heat exchanger is made of 316L Stainless Steel to protect against corrosion
  • Highly efficient condensing Ultra-Low Nox tankless water heater delivers up to .91 Uniform Energy Factor (UEF)
  • Vents with 3” PVC up to 70 feet or 4" PVC up to 100 feet
  • Includes integrated temperature controls and advanced diagnostics to simplify troubleshooting
  • Safety features include exhaust & water temperature safety control, overheat cut-off fuse and air-fuel ratio (AFR) sensor
  • 15-year limited warranty on heat exchanger in residential applications
  • Specs

    –
    Product Type:

    Tankless Heater

    Fuel Type:

    Natural Gas

    Type:

    Condensing

    Inlet Gas Pressure:

    4.0-10.5"W.C

    Installation Type:

    Outdoor Only

    Gas Connection:

    1/2"

    Water Connection:

    3/4"

    Gas Input:

    15000 to 120000 BTU/h

    Energy Factor:

    0.93

    Voltage:

    120v

    Max Flow (GPM):

    6.6

    Width (Inches):

    13-7/8"

    Depth (Inches):

    10-13/16"

    Height (Inches):

    22.875"

    Weight (lbs):

    44 lbs

    BTU (Max):

    120000

    BTU (Min):

    15000

    Vent Type:

    Outdoor (No Venting)

    Application:

    Residential

    Flow Rate at 40F Temp Rise (GPM):

    5.4

    Flow Rate at 50F Temp Rise (GPM):

    4.4

    Flow Rate at 60F Temp Rise (GPM):

    3.8

    Flow Rate at 70F Temp Rise (GPM):

    3.2

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