By Marjorie Lawrence,2014-05-29 12:33
3.4. Positioning The Furnace.
Significant amounts of carbon monoxide may be exhausted from the work
tube during the use of this furnace. Carbon monoxide is toxic and
inflammable (see section 1.2: Carbon Monoxide Warning.) and must be
ducted out of the building. See also section 3.6: Exhaust Vent
Connections. The furnace is designed to be gas tight during normal