Title: 320- Tilbakeslagsventil.pdf
The device must be installed in an accessible area that is large enough to prevent it getting submerged by any acci- The backflow preventer is a health protection safety device and therefore requires periodical inspection. Watts Industries recommends that the CA backflow protection device should be inspected at least once a year. • Provide a suitable pipe to drain the evacuation of the fluid which the device could possibly drain. The first indication of malfunction, generally caused by foreign debris (sand, copper or calcium…), is revealed with a • Check the discharge pipe to ensure you of the correct operation of the flow. permanent leak from the drain. • During installation it is necessary to respect the direction of flow indicated by the arrow on the body of the device. In the case of leakage at the drain, it is recommended to generate a major flow of circulation by opening some taps for a few minutes: this is often sufficient to expel any foreign debris and bring everything back to normal situation. •