Magic Plastics 3" S Smart-Check Water Check Valve (0821-30C) insparation Supplying the hard adapter without

Supplying the hard adapter without the O-ring also makes it a good choice when the seal is being handled separately

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

This type of part is especially useful during routine service when the original basket has become brittle or damaged from repeated use and cleaning cycles

CMP in-ground pool universal light niche adapter

Magic Plastics 3" S Smart-Check Water Check Valve (0821-30C) insparation Supplying the hard adapter withoutA 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