For new construction or retrofit requirements, the Hayward Stratum is the only VGB compliant Safety Vacuum Release System designed to vent to atmosphere and turn off the pump.

Features:

• Vents to atmosphere and turns off the pump
• Provides 2 layers of protection by reacting quicker to a change in vacuum and by venting to atmosphere and by turning off the pump
• Automatically resets if tripped - eliminates nuisance trips
• Adjustable Vacuum Window - accommodates all valve changes by controller like spa, water features, 2 speed and booster pump