Draft mechanism used for drawing air through a boiler, furnace, or water heater.
|List Options||Option Definition||Unit of Measure|
|Mechanical forced||Mechanical forced draught is provided by means of a fan forcing air into the combustion chamber.||None|
|Mechanical induced||In mechanical induced draught exhaust gases are pulled out of the boiler by either a steam jet or an induced draught fan.||None|
|Natural||A natural heater has no blower fan and does not connect to an A/C power source. A natural draft type tankless heater takes it's "intake" combustion air from inside the room in which the heater is mounted. It then uses a natural draft to pull the exhaust out through a flue pipe exhaust.||None|
|Not applicable||Not applicable||None|
CSV or XML files containing information such as definition, unique ID, and URL for each BEDES Term or List Option can be downloaded by clicking the appropriate orange button. The downloaded file can then be processed offline. Note that the XML documents are simply a "flat file" of terms, not a structured schema.