About: http://webisa.webdatacommons.org/298433682

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	Mechanical flow switches like those used on many chillers are not that reliable in my experience especially paddle switches.
http://www.w3.org/ns/prov#wasQuotedFrom	hvac-talk.com