Backflow valves are 85% effective in eliminating sewer backup, according to Galen Heinrichs, stormwater utility manager with the City of Saskatoon. Moreover, in that 15% of instances in which a ...

Check valve prevents engine, genset backfloodingThe Check Valve from marine wet exhaust systems manufacturer Centek Industries helps prevent water from flowing back into engines and gensets. The check ...

This was published 11 years ago Backflow valves fitted early for $2.5m extra October 21, 2013 — 12.01pm Normal text size Larger text size Very large text size ...

The device in question is a double check valve backflow prevention assembly (BPA) that is mandated by the Emerald Coast Utilities Authority and costs between $600 and $850 to install, depending on ...