Bradford White Corp.'s 30-gallon short water heater is oil-powered and designed for tight installation spaces with a 48 3/8-inch floor to centerline vent height. It allows on-the-spot replacements of both center flue and rear flue setups. The heater includes the HydrojetR Total Performance System, VitraglasR Tank Lining, a brass drain valve, and a six-year limited warranty on tank and parts.