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All Categories > Commercial Water Heaters > NON NOx Commercial Water Heaters > American® Water Heater Company NON NOx Commercial Water Heaters > Low NOx Heavy Duty Commercial Gases Water Heaters > Item # BCG3-80T150-6NOX  

Item # BCG3-80T150-6NOX, Low NOx Heavy Duty Commercial Gases Water Heaters

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Eighty plus percent thermal efficiency affords lower operating costs on most models.

Unit of Measure: Imperial Metric Both

Specifications  · Maximum Recovery  · Dimensions  · Features  · Other Features  · Options  · Warranty  · Note



American® Water Heater Company


81 gal

Input Power

154000 BTU/hr

Standard Approximate Shipping Weight

550 lb


Low NOx Heavy-Duty




Natural Gas

Industry Standards

ASME Certified

CSA® Certified

UL® Listed

Maximum Recovery

Recovery at 40 ºF Temperature Rise

369 gal/h

Recovery at 100 ºF Temperature Rise

148 gal/h

Recovery at 140 ºF Temperature Rise

106 gal/h



Dimension A

68 in

Height to Gas Connection B

4-1/2 in

Dimension C

62 in

Dimension D

53-5/8 in

Height To Front / Back Cold E

20-1/2 in

Connection Spread F

21 in

Size of Gas Connection G

3/4 in

Height To Front / Back Hot H

54-7/8 in

Vent Size I

6 in

Tank Diameter

27-3/4 in

  • Induced Draft Built-In Blower - The blower is built into the top cover, factory mounted and wired. Ideal for installations where negative pressure is present in the building. Blower proves draft prior to ignition. No drafthood or barometric damper required.
  • Metal Venting - Uses standard metal single wall or double wall type "B" vent. Can be commonly vented with Category I appliances. Vent connects directly to the blower outlet. Perfect choice for retrofit and upgrade installations.
  • Water Connections - For ease of installation, all BCG3-NOx feature water connections on the top, front, and rear.
  • Glasslined Tank - Our proprietary slush coating is applied after the complete tank has been assembled to give a seamless barrier against hot water corrosion. Maximum working pressure 160 psi.
  • Installed Cost Savings - When multiple BCG3-NOx units are exclusively used in a vent manifold, use the National Fuel Gas Code Table 13 Fan Sizing Charts to determine vent diameter and specifications. The BCG3-NOx with its internal induced draft blower enables safe use of smaller vent diameters. This feature can save hundreds of dollars in installation costs.
  • Fully Automatic Digital Controls With Safety Shutoff - Accurate, dependable control system. Manual reset gas shutoff device for added safety. Maximum inlet gas pressure is 14" W.C. Minimum gas pressure is 5.2" W.C. Natural Gas, 11" W.C. Propane.
  • "Environmentally-Friendly" Non-CFC Foam Insulation - Saves fuel, helps reduce standby heat loss.
  • Jacket - Heavy gauge steel finished with a baked enamel finish over a bonderized undercoat.
  • Fully Tested for Safety and Performance - Design certified by the Underwriters Laboratory for 180 ºF hot water service. Meets rigid requirements of the National Sanitation Foundation Standard 5 when equipped with optional leg kit. Certified for use on combustible flooring.
  • Easy Cleaning - Handhole cleanout allows access for easy cleaning.
  • Anodes - Long-life, stainless steel core anode rods.
  • Intermittent Ignition Device - Eliminates standing pilot. Provides flame failure response in less than one second. Power ON/OFF switch.
  • Easy-to-Install - Completely factory-assembled. Only gas, water, vent and electric connections need be made. Provided with drain valve.
  • Plug Kits - Pipe nipples and caps are included to plug unused water connections.
  • Approval Ratings and Certification - All models meet or exceed the thermal efficiency and standby loss requirements of the U. S. Department of Energy and current edition ASHRAE/IESNA 90.1, C.E.C. California Energy Commission and comply with Texas requirements for Low NOx emissions.

Other Features
  • Equipped with gas pressure regulator and pilot filter
  • Integral automatic gas shutoff systems prevents excessive water temperature
  • CSA® certified and ASME rated T&P relief valve
  • Maximum working pressure is 160 psi standard
  • Cathodic protection
  • Adjustable thermostat with a 120 to 180 ºF range.

  • Manifold kits for multiple heater installations
    • two units - #9003426205
    • three units - #9003427205
    • four units - #9003428205
  • Leg kits for UL sanitation to meet
    NSF-5 - #9003425205

  • 3-Year Limited Tank Warranty / 1-Year Limited Parts Warranty.

Low Nox models are not available in Propane.

All top inlets and outlets are 1-1/2". All rear inlets and outlets are 1-1/2" except the 100T200, 100T250, 100T275, which are 2"

All dimensions in inches.

Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.

Installation diagrams available in our Commercial Water Heater Plumbing Guide.


·  Standards for Low NOx Heavy Duty Commercial Gases Water Heaters


Brochure for Low NOx Heavy Duty Commercial Gases Water Heaters
(PDF, 313KB)