G62-100T77-4NOV American Water Heater 100 Galllon Ultra High Recovery Residential Gas Water Heater Ideal for homeowners desiring exceptional hot water recovery from their gas water heater.Super Eagle Performance.Durable, Brass Drain Valve.2" Non-CFC Polyurethane Foam to prevent heat loss and reduce energy cost.Fused Ceramic Shield Tank for anti-corrosion protection.Factory-installed Side T&P Relief Valve.Aluminized Steel Multi-Port Burner on long life in natural gas units.Anode Rod.Combination Thermostat/Energy Cut-Off (all models require 4" venting).Tested and listed with CSA International in accordance with the latest addition of ANSI Z21.10.3 or CSA 4.3, CEC and EPCA-2005 approved. All models are certified at 300 PSI test pressure and 150 PSI working pressure.Low NOx emissions of less than 40 ng/j.Warranty: 6-year parts, 6-year Tank