Assertion: condensing boiler | /r/MadeOf | compulsory
Facets:
value: since 2005
type: TEMPORAL
value: by the building regulations
type: OTHER
value: for new domestic central heating boilers
type: TRANSITIVE-OBJECT
Source sentences:
text: Since 2005, condensing boilers have been made compulsory by the Building Regulations for new domestic central heating boilers.