Maintenance of BA and B-FW type backflow preventer according to DIN EN 806-5 – we’re safety conscious! BA and B-FW type backflow preventer must undergo annual functionality checks and, if necessary, maintenance and servicing according to the specifications set out in DIN EN 806-5. We offer a special service to help you remember this all-important check and make sure that all the specifications are complied with. Our experienced team will take care of your backflow preventer’ complete inspection and maintenance. You can rely on us to carry out all the necessary steps carefully and precisely to ensure the proper functioning of your backflow preventer. In addition, we offer you the option of an e-mail reminder of the date of your annual inspection and maintenance. That way you can concentrate on essential jobs and keep your head clear for other important tasks in your company. Do not hesitate to contact us to make an appointment for the inspection and maintenance of your backflow preventer! Order for maintenance and repair