Individuals understand the principles of combustion and are aware of safety concerns related to flue gases. They are able to identify the elements required for combustion and have knowledge of flame characteristics. They can distinguish between complete and incomplete combustion. They can explain the requirements and components of a furnace venting system, with an understanding of venting considerations for gas-fired heating units such as natural-draft, induced-draft and condensing furnaces.

• Type Validation
• Time Hours