Backflow Preventer: Difference between revisions
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*Watts backflow preventer - [https://www.menards.com/main/plumbing/valves/backflow-prevention/watts-reg-1-fip-lead-free-residential-dual-check-valve/0960068/p-1444446170660-c-9506.htm] | *Watts backflow preventer - [https://www.menards.com/main/plumbing/valves/backflow-prevention/watts-reg-1-fip-lead-free-residential-dual-check-valve/0960068/p-1444446170660-c-9506.htm] | ||
*Water source check valve - [https://www.menards.com/main/plumbing/pumps-tanks/pump-well-tank-accessories/water-source-brass-check-valve/cv-150/p-1444446042511-c-8672.htm] | *Water source check valve - [https://www.menards.com/main/plumbing/pumps-tanks/pump-well-tank-accessories/water-source-brass-check-valve/cv-150/p-1444446042511-c-8672.htm] | ||
=Links= | |||
*Category 1, 2, 3, 4, 5. 4 and 5 are toxic. 1 is single source. 2 and 3 are common for residential. [https://www.johnguest.com/gb/en/resources/blog/single-or-double-check-valves-and-their-applications]. | |||
*Single check valve can be used for Category 2 [https://www.waterregsuk.co.uk/news/newsletter/categories/installer_news/non-return_valves/] | |||
*DNR Mo webpage [https://dnr.mo.gov/document-search/basics-missouri-backflow-regulations-community-water-system-pub0393/pub0393]. Class 2 requirement - double check valve - [https://dnr.mo.gov/document-search/basics-missouri-backflow-regulations-community-water-system-pub0393/pub0393] | |||