Draft Type

Draft mechanism used for drawing air through a boiler, furnace, or water heater.

Data Type: 
Constrained List
Category: 
HVAC
Unit of Measure: 
None
Sector: 
Commercial, Residential, Multifamily
List Options Option Definitionsort descending Unit of Measure
Direct ventilation 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
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
Mechanical forced Mechanical forced draught is provided by means of a fan forcing air into the combustion chamber. None
None None None
Not applicable Not applicable None
Other Other None
Unknown Unknown None
Term ID: b2bc8a23-9a79-4a91-9903-4e0a495595b8

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