This manual should be kept with the water heater. At Bradford White we’re committed to providing you with the finest water heater made. Bradford White Defender Safety SystemTM This water heater is equipped with the Bradford White Defender Safety SystemTM. In the event of improper usage or storage of gasoline or other flammable materials in the location where the water heater is installed, the technology will resist ignition of the flammable vapors outside the confines of the water heater. The Br