Assertion: pilot light | /r/CapableOf | work on boilers and gas fireplaces
Facets:
value: to ignite the main flame
type: PURPOSE
Source sentences:
text: On some gas-powered appliances -- such as gas ranges, water heaters, boilers and gas fireplaces -- the pilot light works to ignite the main flame when the gas is switched on to the burner by the regulating valve.