During fill fuel is delivered at an average rate of 60 gallons per minute. Improper venting can place excessive stress on tank seams and piping. The vent alarm prevents over filling and is recommended for both underground and above ground tanks. It should be mounted at the top of the tank at the vent pipe opening. Is the fill gauge installed and tight.
Loose gauges can cause spills during tank fill operations.
A standard 275-gallon tank with an average capacity of 260 gallons weighs about 2000 lbs. Placed on wood or dirt the tank is likely to tip and spill. Proper installation must be done by trained service technicians and must comply with local building codes.