ULN-100-199-AS American Standard 100 Gallon Natural Gas Commercial Water Heater
 
Features:
- 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 1600degree 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.
 - ULTRA LOW NOx Burner - Exceeds California SCAQMD & BAAQMD Requirements.