A.O. SMITH A.O. Smith ATO-140H-N 120,000 BTU Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)
A.O. SMITH A.O. Smith ATO-140H-N 120,000 BTU Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)

A.O. Smith ATO-140H-N 120,000 BTU Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)

A.O. SMITH
Brand: A.O. SMITH
SKU: ATO-140H-N
Availability: In Stock

Ships same day if ordered by 12 pm
$1,063.99
$1,063.99
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Description

Product Description

The A.O. SMITH 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 features high efficiency Ultra-Low NOx condensing technology allowing for the use of 3 PVC venting and has 0 clearance to combustibles. It utilizes condensing technology to achieve a Uniform Energy Factor of 0.91.

  • 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

Product Highlights

This A. O. Smith tankless water heater is designed for outdoor installation and provides a continuous flow of hot water on demand.

Product Information

Standard Information

  • Brand: A.O. SMITH
  • Manufacturer Part Number: ATO-140H-N
  • Country of Origin: US
Technical Specifications
Product Type
Tankless Heater
Type
Condensing
Fuel Type
Natural Gas
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
Height (Inches)
22.875"
Width (Inches)
13-7/8"
Depth (Inches)
10-13/16"
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
UEF
0.91
Maximum BTUs
120,000
Power Source
GAS
Water Connection Location
BOTTOM
Emissions
Ultra-Low NOx
ASME Certified
No
Fuel Source
NATURAL
GPM (@67 F Temp Rise)
3.5 GPM
Minimum BTUs
15,000
Side Loop
No
Water Pressure (Min)
15 PSI
Water Pressure (Max)
150 PSI
Temperature (Max)
140 F
Activation GPM
0.5
Duct Size
3" Round, 4" Round
Flow Rate (GPM)
6.6
Maximum Flow Rate
6.6 GPM
Minimum Flow Rate
0.5 GPM
Minimum Gas Input
15000
Uniform Energy Factor (UEF)
0.93
Vent Maximum Run
1200, 840 in.
Direct Vent
Yes
Display Type
Digital
Heating Technology
Condensing
Natural Gas Input (Min)
4.0
Water Connection Type
NPT
Altitude Certification
6000 ft.
Condensing
Yes
Default Temperature
120 F
Ignition Type
Electric
Max BTU Input
120000
NG Energy Factor
.91
Hardwired
Yes
ADA
No
ANSI Certification
Z21.10.3
Certifications
AHRI, ANSI, CSA
Energy Star
No
Low Lead Compliant
Yes
Outdoor Approved
Yes
Product Variation
Whole House Water Heater
SCAQMD Compliant
Yes
Title 20 Compliant
Yes
Uniform Energy Factor
0.93
Commercial/Residential/Dual
Commercial/Residential
Flow Rate
6.6 gpm
Heating Capacity
120000 Btu/hr
Series
ATO-140H
Ultra Low NOx
Yes
Vent Size
3 in, 4 in
A.O. SMITH A.O. Smith ATO-140H-N 120,000 BTU Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)

A.O. SMITH

A.O. Smith ATO-140H-N 120,000 BTU Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)

$1,063.99
A.O. SMITH A.O. Smith ATO-140H-N 120,000 BTU Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)

A.O. SMITH

A.O. Smith ATO-140H-N 120,000 BTU Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)

$1,063.99

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