About: http://webisa.webdatacommons.org/261289012

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, if the heating loop loses water (e.g. if there is a leak, or if it is drained, or if you extend the system) there needs to be a way to add water into the system.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com