The Vac-Alert Safety Vacuum Release System is designed to prevent swimming pool entrapment. The Vac-Alert is a non-electrical self-monitoring, low-maintenance safety system that responds in milliseconds to an increase in pump suction created by an obstruction being held by suction on the main drain.
Pool entrapment can occur because of a damaged outlet in a pool or spa, however, the main cause is a lack of two drains in the pool. A single drain can create intense pump suction as the water system is regulated.
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