BCL3-100T275-6NOX American Water Heaters 100 Gallon 275,000 BTU 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 EmissionsInstall Cost SavingsEasy-to-InstallDraft DiverterMaximum Working Pressure - 150 psiMaximum Gas Inlet Pressure - 14 in W.C.Handhole CleanoutAnodic protectionEquipped with gas pressure regulatorIntregral automatic gas shutoff system prevents excessive water temperatureCSA Certified and ASME Rated T and P Relief ValveGallon : 100Litres : 378Input Btuh : 275,000Input kW : 81