Class I - Dangerous
The water heater's flame arrestor can fail to work properly, posing a fire hazard.
A. O. Smith Corp., of Milwaukee, Wis.
Class I - Dangerous
The water heater's gas burner screen develops tears. The water heater's burner can then create excess radiant heat, posing a fire hazard if the water heater is installed directly on a wood or other combustible floor.