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AO Smith®
AO Smith® 100123492 ATI-140H Tankless Water Heater, Natural Gas Fuel, 120000 Btu/hr Heating, Indoor, Condensing, 6.6 gpm Flow Rate, Direct/Power Vent, 3 in, 4 in Vent, 0.9, Commercial/Residential
AO Smith®

AO Smith® 100123492 ATI-140H Tankless Water Heater, Natural Gas Fuel, 120000 Btu/hr Heating, Indoor, Condensing, 6.6 gpm Flow Rate, Direct/Power Vent, 3 in, 4 in Vent, 0.9, Commercial/Residential

BrandAO Smith®
MFR Part No100123492
TSCO Part Number101935

Warranty Length

  • 15 Years Limited on Heat Exchanger in Residential, 6 Years Limited on Heat Exchanger in Commercial, 5 Years on all Parts

Features

  • Ultra low NOx condensing technology provides 0.93
  • Copper primary heat exchanger, secondary heat exchanger is made of marine grade type 316L stainless steel to protect against corrosion
  • Air-fuel ratio (AFR) sensor, exhaust and water temperature safety control, overheat cut-off fuse
  • Exhaust, 3 in PVC venting up to 70 ft or 4 in PVC venting up to 100 ft
  • Provides flexible venting with PVC, CPVC or ABS pipe for intake and exhaust (solid core only)
  • Category IV stainless steel venting can also be used
  • A built-in temperature controller and advanced diagnostics to simplify troubleshooting
  • Complies with California SCAQMD Rule 1146.2 and other air quality management districts with similar NOx emission requirements of 14 NG/J or 20 ppm
  • Approved for installation from sea level to 10100 ft elevation

Standard Approvals

  • ANSI Z21.10.3
  • AHRI Certified
  • CSA 4.3
  • ENERGY STAR® Qualified