Vac-Alert - VA2000S - (Submerged Suction)
SR-500 Stingl Switch (Safety Vacuum Release System)
Speck SVRS, 0.5 - 3 HP, 208-230, Single or 3 Phase 0.5 - 7.5 HP, NEMA 4X (Commerical Product)
SR500PS – The Model SR-500PS is specifically designed for Residential Pool/Spa combinations that share one common pump.
VA2000L – (Suction Lift) used where circulating pump is either at or above the level of pool surface water.
VA2000S – (Submerged Suction)used where circulating pump is below the level of pool water surface.