Stingl Switch Sr500 Safety Vacuum …

Stingl Switch SR500 Safety Vacuum Release SystemStingl Switch SR500 Safety Vacuum Release System
The Model SR-500 is a Safety Vacuum Release System (SVRS) which works by monitoring the vacuum on the suction side of the pool or spa pump. When a blockage occurs in the main drain or skimmer a sudden rise in vacuum will cause the SR-500 to shut down pump
STINGL SR-500 · E2487

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