Talk:Automatic balancing valve

Copied content - unattributed voice
The section on variable flow seems to be pulled from an article by John Cooper, specifically the section "Risen in Popularity." --Belg4mit (talk) 15:58, 24 September 2014 (UTC)

"the latest flow technology" etc.
Is this an advert? --2A02:C7F:4102:A400:456F:615F:450E:9AC5 (talk) 07:44, 29 December 2021 (UTC)