Magic Plastics 3" S Smart-Check Water Check Valve (0821-30C) insparation supporting circulation and the steady

supporting circulation and the steady movement of water through the system

or no longer performing correctly but the surrounding hardware does not need replacement

This configuration is especially useful where a larger water line must connect to a smaller threaded accessory

and use only a lubricant suitable for pool and spa seals when lubrication is required

Helps deliver dependable water movement with quieter-running characteristics

Magic Plastics 3" S Smart-Check Water Check Valve (0821-30C) insparation supporting circulation and the steadyA check valve helps provide one way flow control in a compatible plumbing system, and this Magic Plastics Smart Check version features a 3 inch slip configuration using the 0821 30C reference. Check valves are useful because they help prevent undesirable reverse flow that can interfere with normal system performance. This part has practical value because the 3 inch slip Smart Check format is sized for larger compatible plumbing applications where