FAQ Sorry, your browser doesn't suppor Java. They serve to reduce the risk of injury or death caused by drain suction. Dual drains are not the total answer to drain safety for the following reasons.
Dual drains are expensive to retrofit existing pool and spa installations.
Dual drains still leave the possibility that two people may become entrapped at the same time. Connecting piping between dual drains can become partially or totally blocked, thereby negating the positive effect of dual drains. Any switch or electrical device that disconnects power to a pool or spa pump may serve to minimize injury caused by drain suction entrapment. It is important to recognize that this type of safety device or switch is vulnerable to problems on several levels as follows. If a person is stuck on a suction drain, turning off the pump will not always release the vacuum force holding the person to the drain.