Smart Check 3" Check Valve

The 0821-30C is a 3" slip x slip Magic Plastics Smart Check valve for pool and spa plumbing, using a 1/2 lb spring-loaded gate to allow one-way water flow and prevent backflow.

Key Features

• Spring-loaded gate installs in any orientation
• Clear PVC body for visual flow check
• Minimizes inline flow restriction
• 1/2 lb spring tension
• Rated 150 PSI at 73°F

A non-clear version (0821-30) shares the same specs if a clear body isn't needed.

Magic Plastics also makes a magnetic Smart Check version with a 2 lb spring rating that stays closed to 2 PSI; it is not interchangeable with this 1/2 lb spring-loaded model.