Bradford White® Defender Safety System® Gas Water Heater, 36000 Btu/hr Heating, Liquid Propane, 1/2 in Gas Connection, 40 gal Tank, Pilot Ignition, Atmospheric Vent, 3 x 4 in Vent, 41 gph at 90 deg F Recovery, Energy Factor: 0.58, 3/4 in NPT Water Connection, 10 in WC, Ultra Low Nox: No, 22-3/4 in D x 63-3/8 in H, Domestic
These models feature an automatic flue damper that helps to reduce stand-by heat loss. The flue damper, combined with additional insulation and heat traps, helps these units achieve one of the highest Energy Factor (EF) ratings of our atmospheric vent models.