Assertion: furnace's heat exchanger | /r/CapableOf | prevent the combustion gases
Facets:
value: from venting out the furnace
type: TRANSITIVE-OBJECT
Source sentences:
text: A cracked heat exchanger (similar to a clogged exhaust or chimney) prevents the combustion gases from properly venting out the furnace and results in an internal pressure irregularity that can cause a flame roll out.