GTI Engineering Inc.

GTI Engineering Inc.

Aspirated or Inspirator Furnace



A third furnace design that is much less expensive uses multiple small burners along both sides of the furnace near the kettle bottom. These small burners are normally aspirated (drawing their own air supply through a venturi) and do not require a combustion blower. The control system is also quitesimple, but electronic flame safeguards are not practical because of the large number of burners. Another advantage of this furnace system is that it will continue to run without electrical power. The fuel efficiency of this type furnace is about 7 - 10% less than the powered furnaces described above.

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