BCL3-80T199-6NOX American Water Heaters 80 Gallon 80% Thermal Efficiency Ultra-Low NOx Heavy Duty Commercial Gas Water Heater The Ultra-Low NOx Heavy-Duty Gas BCL Series 200 complies with California SCAQMD Rule 1146.2 and other air quality management districts with similar NOX emission requirements of 14 ng/J or 20 ppm. The BCL series provides outstanding performance and maximum installation flexibility for both new construction and replacement applications.Fan Assisted CombustionHeavy Gauge Steel JacketGlasslined TankFoam InsulationUltra-Low NOx EmissionsEasy-to-InstallDraft DiverterMaximum Working Pressure - 150psiMaximum Gas Inlet Pressure - 14" W.C.Handhole CleanoutAnodic protectionEquipped with gas pressure regulatorIntregral automatic gas shutoff system prevents excessive water temperatureCSA Certified and ASME Rated T&P Relief Valve