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Description
Overview:
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, and is ENERGY STAR qualified. this model meets Ultra-Low NOx emission requirements, and comes with a 15-year limited warranty.

Specifications:
  • Emissions: Ultra-Low NOx
  • Maximum BTUs: 120,000
  • Minimum BTUs: 15,000
  • UEF: 0.91
  • Limited Heat Exchanger Warranty: 15 Years
  • Limited Parts Warranty: 5 Years
  • Water Connection Location: Bottom
  • Water Connection Size: 3/4"
  • Heat Exchanger: Copper & Stainless
  • Secondary Heat Exchanger: Stainless Steel
  • Voltage: 120
  • ENERGY STAR®: Yes
  • LEED Rating: 1.5
  • Remote Control: Yes
  • Technology: Condensing
  • Height: 22 7/8"
  • Width: 13 7/8"
  • Depth: 10 13/16"
  • Product Weight: 44lbs/20kg
  • Shipping Weight: 53.9
  • Vent Material: PVC, CPVC, PP, ABS, SS
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Specs
Product Type:
Tankless Heater
Fuel Type:
Natural Gas
Type:
Condensing
Installation Type:
Outdoor Only
Inlet Gas Pressure:
4.0-10.5"W.C
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
Depth (Inches):
10-13/16"
Width (Inches):
13-7/8"
Height (Inches):
22.875
Weight (lbs):
44 lbs
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