Fire Suppression Tank Heating

Indeeco has helped with many different heating challenges in their history. Here is a case study written by Jonathan Newton about fire suppression tank heating.

The Challenge

Keep a large tank of water above freezing, so it is available at a moment’s notice. The sizing needed to take into account the fact that the tank would be insulated and installed in Oklahoma. Additionally, it needed to be sized according to the NFPA-22, which sets all the guidelines for water tank and storage applications.

The Solution

The solution was a 781-series pre-engineered tank heater that would be sized via Indeeco’s proprietary tank heater sizing application and according to the NFPA-22 temperature maps.  The 781-series heater is a complete all-in-one package that includes; the heater, controls, and enclosure to provide a plug and play heater that is sized for the individual application.

The Benefits

Here is a list of the benefits of using this tank heater:

  • The heater is mounted to the tank by one of three methods: ANSI flange mount, Indeeco adapter mount, or with a custom rectangular flange.
  • Heating elements are installed in 3″ NPS pipes of sufficient wall thickness to prevent the pipe from distorting from the generated heat. Multiple pipes can be provided as required.
  • Built on pre-wired contactor control panel with digital thermostat and high limit protection.
  • Heating element can easily be replaced without draining the tank.∙
  • The flexible heating element design allows for clearance of only 48″ on all immersed lengths.

Materials Heated

  • Adhesives
  • Asphalt
  • Caustic Soda
  • Chocolate
  • Dyestuffs
  • Emulsions
  • Fish/Animal oils
  • Fuel oils
  • Inorganic heavy chemicals
  • Margarine
  • Molasses
  • Organic chemicals
  • Paint
  • Varnish
  • Paraffin
  • Pitch
  • Resins
  • Shortening
  • Sulphur
  • Syrups
  • Synthetic fibers
  • Vegetable oils
  • Tar

Indeeco Storage Tank Heaters are an effective way to heat large storage tanks containing a variety of liquids both in non-hazardous and hazardous locations.  In large applications where multiple pipes are required, non-individually controlled storage tank heaters provide a cost effective alternative.

Contact an Indeeco representative at to discuss about a tank heater.


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