Controllable backflow preventer reduced pressure zone BA 1/2? - HONEYWELL : BA295S-1/2A

Backflow preventer BA 295 With controllable reduced pressure zone Fluids up to and including liquid category 4 are protected EN 1717 standards Integrated strainer Easy access to all internal components Triple safety 2 check valves Discharge valve dividing the backflow preventer into 3 zones Replaceable cartridge ACS NF French Standards

Given the nature of this product, it is recommended to have it installed by a professional.