Assertion: boiler's furnace | /r/HasProperty | controlled by the amount of fuel
Facets:
value: in position
type: LOCATION
Source sentences:
text: Gas and oil-fired systems were usually controlled by a thermostat inside the home, while most wood and coal-fired furnaces had no electrical connection and were controlled by the amount of fuel in the burner and position of the fresh-air damper on the burner access door.