The American Standard® Commercial Water Heaters Line offers a complete line of products for any commercial water heating requirement. Our Commercial Line features the revolutionary glass-lined tanks made of Dura-Glass™ to ensure a long tank life of your commercial water heating product. Our commercial models meet all current standards including: CSA, UL, ASME, and ASHRAE. American Standard Commercial Water Heaters - Defining Quality.

American Standard® Gas Water Heater, Heavy Duty, 199000 Btu/hr Heating, Natural Gas, 3/4 in IPS Gas Connection, 100 gal Tank, Spark Ignition, 6 in Vent, 197.1 gph at 100 deg F Rise Recovery, 81.4% Energy Efficient, 1-1/2 in IPS Water Connection, 180 deg F, Ultra Low NOx: Yes, ASME(Yes/No): No, Steel, 73-1/4 in OAH

• Reduced installation costs
• American Standard® commercial gas water heaters are the universal replacement for all brands
• Dura-Glass™ enamel, heavy duty multi-flue steel tank with four anode rods
• Automatic motorized flue damper
• Electronic direct spark ignition system
• Fully adjustable controls
• Turbulence-inducing cold water inlet dip tube on 1-1/2 in top water connections
• Factory installed temperature and pressure (T and P) relief valve
• Easy access full size inspection port/hand hole clean out
• Ultra low NOx burner

• Service Manual https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/https://assets.unilogcorp.com/2/ITEM/DOC/American_Standard_ULN100-199AS_Service_Manual.pdf
• Specification Sheet https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/https://assets.unilogcorp.com/2/ITEM/DOC/American_Standard_ULN100-199AS_Specification_Sheet.pdf
• Warranty Information https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/https://assets.unilogcorp.com/2/ITEM/DOC/American_Standard_100-83-AS-LP_Warranty.pdf