Designed as the Universal Replacement for All brands of Non-Ultra-Low NOx commercial models

Ultra-Low NOx Heavy Duty Commercial Product Offering - The most complete line - 12 models ranging from 125,000 BTU to 512,000 BTU input.
Unit of Measure



N/A American Standard®

Tank Capacity

N/A 100 gal

Input Power

N/A 270000 BTU

Thermal Efficiency

N/A 80.35 %




N/A Natural Gas

Industry Standards

N/A C.E.C. Listed ETL



Schematic Drawing for Ultra-Low NOx Heavy Duty Commercial Gas Water Heaters

Exterior Dimension A

N/A 72-5/8 in

Exterior Dimension B

N/A 30-1/4 in

Exterior Dimension C

N/A 65-5/8 in

Vent Size

N/A 7 in

Top Pipe Size

N/A 1-1/2 in

Rear and Front Water Connection

N/A 2 in

Height to Top Water I.P.S. Connection D

N/A 67-5/8 in

Top Spread Water I.P.S. Connection E

N/A 23-5/8 in

Height to Rear and Front Hot Water I.P.S. Connection F

N/A 57-1/2 in

Height to Rear and Front Cold Water I.P.S. Connection G

N/A 20 in

Gas I.P.S. Connection Height H

N/A 4 in

Gas I.P.S. Connection Size

N/A 3/4 in

Height to T and P Opening J

N/A 58-7/8 in

T and P Opening

N/A 3/4 in

Width with Blower K

N/A 22 in

Width with Blower L

N/A 6.75 in

Width with Blower M

N/A 37.25 in

Maximum Hot Water Delivery

One Hour Recovery at 100 ºF Temperature Rise

N/A 264 gal/h

Maximum Hot Water Delivery (1 Hour)

N/A 334 L

Maximum Hot Water Delivery (2 Hours)

N/A 598 L

Maximum Hot Water Delivery (3 Hours)

N/A 862 L

Maximum Hot Water Delivery Recovery at 100 ºF Temperature Rise

N/A 4.4 g/min

Storage Capacity

N/A 100 U.S. gal

Maximum Recovery

Recovery at 40 ºF Temperature Rise

N/A 650 gal/h

Recovery at 50 ºF Temperature Rise

N/A 520.2 gal/h

Recovery at 60 ºF Temperature Rise

N/A 433.3 gal/h

Recovery at 70 ºF Temperature Rise

N/A 371.4 gal/h

Recovery at 80 ºF Temperature Rise

N/A 325 gal/h

Recovery at 90 ºF Temperature Rise

N/A 288.9 gal/h

Recovery at 100 ºF Temperature Rise

N/A 264 gal/h

Recovery at 110 ºF Temperature Rise

N/A 236.3 gal/h

Recovery at 120 ºF Temperature Rise

N/A 216.6 gal/h

Recovery at 130 ºF Temperature Rise

N/A 200 gal/h

Recovery at 140 ºF Temperature Rise

N/A 185.7 gal/h



  • Reduced Installation Costs! Adjusts to use existing & prior approved ventilation systems.
  • Use American Standard Commercial Gas Water Heaters as the Universal.
  • Replacement for All Brands. Uses same location for water connection & gas piping as model(s) being replaced. Offers 2" front & back water connection and 1-1/2" top connection on selected models. Front & back are plugged for your convenience.
  • Dura-Glas Enamel, Heavy Duty Multi-Flue Steel Tank - fired at 1600 degree for optimal tank protection from the effects of corrosion.
  • R-8 Foam Insulated.
  • Automatic Motorized Flue Damper - to reduce heat loss during standby periods for lowest operating costs.
  • Electronic Direct Spark Ignition System - Saves fuel by eliminating constant burning pilot.
  • Four Anode Rods - to ensure maximum tank life.
  • Fully Adjustable Controls - to 180 degree temperature.
  • Turbulence-inducing Cold Water Inlet Dip Tube on 1-1/2" Top Water Connections - to reduce settlement of hard water sediment.
  • Factory Installed Temperature/Pressure Relief Valve.
  • Easy Access Full Size Inspection Port/Hand Hole Clean Out.

Testing and Certifications

Testing and Certifications

N/A ETL Design Certified in accordance with ANSI Z21.10.3 for up to 180 degree operation as an automatic storage and/or automatic circulation tank heater and meets ASHRAE 90.1-1999

CEC listed, ETL certified to meet NSF/ANSI 5 Standards



  • 3-Year Limited Warranty - On Inner Glass-Lined Tank.
  • 1-Year Limited Warranty - On all Other Component Parts.
  • Ask about upgrading the Warranty to 5 years at time of sale with additional anode rod protection.



N/A Ultra-Low NOx Burner - Exceeds California SCAQMD & BAAQMD Requirements.