Hayward Vacuum Release System Stratum VRS VR1000 When it comes to pool safety, multiple layers of protection are crucial. As an additional layer of protection, Hayward® introduces Stratum™ VRS (vacuum release system)—the next level in peace of mind. The Hayward Stratum VRS is the only SVRS to both vent the pump suction line to atmosphere and turn off the power to the pump motor. Features: •Turns off power to the pump and vents the suction line to atmosphere •Automatic restart after certain activations •Capable of monitoring suction lines for single speed or two speed pumps, with or without a booster pump, that share a common suction line •Complete internal system test during every start-up prior to the monitoring phase •During each start-up, Stratum VRS adjusts to current operational parameters of the system •Designed for use with single phase pumps up to 3HP. Larger or 3-phase pumps require additional motor control equipment, for use with VR1000 •For use in suction lift or in flooded suction •Seven-day programmable timer •Complies with ASTM F2387-04 and ASME (Certification of Compliance) •Compliant to the Virginia Graeme Baker Pool and Spa Safety Act For more information, please visit this products webpage. http://www.haywardnet.com/inground/products/displayProd.cfm?ProductID=231#six