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2006 IFGC - Used Oil Unit Heater & 500 gallon Storage Tank

Papio Bldg Dept

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2006 IFGC - Used Oil Unit Heater & 500 gallon Storage Tank

Has anyone worked with these in the past? Is used oil a Class 1B or 1C flammable liquid? This is an interior installation with a Class A vent. No UL listing was provided at the time of request.
 
Motor oil is generally classified as a IIIB combustible liquid, with 500 gallons being no problem in terms of MAQs. I believe the installation of this heater will be regulated by the IMC, not the IFGC. There are also some requirements in the IFC.

It should be a listed appliance, installed and vented in accordance with manufacturer's installation guidelines. That's usually the best place to start.
 
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