Draft mechanism used for drawing air through a boiler, furnace, or water heater.
Data Type:
Constrained List
Category:
Unit of Measure:
None
Sector:
Commercial, Residential, Multifamily
Draft Type
| List Options | Option Definition | Unit of Measure | |
|---|---|---|---|
| Direct ventilation | None | ||
| 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 | |
| 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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