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Outdoor Aboveground Fuel Tank Maintenance Tips

- 9:15 am - December 30th, 2014


To reduce exterior corrosion, make sure that:

  • The tank has clearance on all sides so that debris can’t accumulate and hold moisture against the tank
  • There is sufficient clearance under the tank so that plant growth does not come in contact with it (At least 6 inches)
  • Scratches and rust are repaired immediately
  • The tank is painted on a regular basis (A light color is recommended)

 

The best way to reduce internal corrosion is to eliminate the water at the bottom of the tank.  Bacteria forms at the oil/water interface that creates an acid that corrodes the metal in the tank.

The most common causes of water in tanks are:

  • Condensation (as much as a quart of water can be produced every year)
  • Broken gauges
  • Loose or missing fill and vent caps

Tanks should be checked at least once a year and pumped out if necessary.  This is typically done by fuel supplier at the time of the annual tune-up.

 

Information was adapted from the National Oilheat Research Alliance article Heating Oil Tanks- Guide for Quality Installation and Maintenancehttp://noraweb.org/about/

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