Assertion: boiler | /r/HasProperty | old
Facets:
Source sentences:
text: If your furnace or boiler is old, worn out, inefficient, or significantly oversized, the simplest solution is to replace it with a modern high-efficiency model.
text: If the boiler is old, worn out, inefficient, or significantly oversized, the simplest solution is often to replace it with a modern model.
text: If your boiler is old, consider replacing it with a completely new one.