Main PageWatts Industries UK | Watts Water TechnologiesTechnical supportApprovalsAntipollution devicesCertificate NF CSTB No 412-M1-19/2 | Controllable backflow preventer BA, BM, CAa, CAb and controllable check valves EA, EB; valid till 07.01.2021

Certificate NF CSTB No 412-M1-19/2 | Controllable backflow preventer BA, BM, CAa, CAb and controllable check valves EA, EB; valid till 07.01.2021

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