Assertion: pellet boiler | /r/ObjectUse | used in central heating systems
Facets:
value: from 3.9 kw
type: OTHER
value: for heat requirements
type: PURPOSE
Source sentences:
text: Pellet boilers are used in central heating systems for heat requirements (heating load) from 3.9 kW (Kilowatt) to 1 MW (Megawatt) or more.