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 ...

The valves must be inspected annually because, in time, they may fail. The diaphragms go bad and must be replaced. The usual charge for repair is roughly around $75.

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 ...