DUNBAR
http://www.wattscanada.com/faq/regulators/main.html
http://www.wattsreg.com <<<< click on products, then thermal expansion..........this is a recommended item on a closed system.
Once you know your water pressure, then make the decision to go with the PRV………which should be on the main water line immediately following the main shut off valve to protect the entire plumbing system, hot and cold.
» This message has been edited by DUNBAR on 29 January 2004
