Magic Plastics 3" S Smart-Check Water Check Valve (0821-30C) insparation and this Maytronics Dolphin light

and this Maytronics Dolphin light gray version uses the 9995743 reference

Helps deliver dependable water movement with quieter-running characteristics

supporting circulation and the steady movement of water through the system

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

CMP in-ground pool universal light niche adapter

Magic Plastics 3" S Smart-Check Water Check Valve (0821-30C) insparation and this Maytronics Dolphin lightA 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