CMP Union, 2" Slip x Slip PVC 1-1/2" Self Aligning Inline | 21053-200-000 Sand Filter remove the hose and verify

remove the hose and verify the lid closes securely

Cycle the valve occasionally during off-season to ensure smooth movement and prevent sticking

restore normal circulation and monitor water surface for recurrence

Replace worn check valves or gaskets

CMP Union, 2" Slip x Slip PVC 1-1/2" Self Aligning Inline | 21053-200-000 Sand Filter remove the hose and verifyCMP 21053 200 000 2 Inch Socket x Socket Flush Union The CMP 21053 200 000 is a 2 inch socket x socket flush union designed for compatible pool and spa plumbing applications. This flush style union provides a clean, low profile connection point that makes future service and equipment removal easier without cutting plumbing lines. Features Genuine CMP plumbing union Part number: 21053 200 000 2 inch socket x socket flush union Flush, low profile union