SKU: 90124561383
Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
CMP generic backwash valve piston assembly
Designed for compatible Hayward wide mouth skimmers
The 621458 is a smart service component when a compatible 1-1/2 inch multiport valve needs its internal routing action restored for more dependable operation
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Correct replacement matters because the right blower should preserve the intended system behavior without forcing compromise
Pentair PacFab FNS 60 sqft Standpipe Assembly (190037) poolcovers CMP generic backwash valve pistonThis standpipe assembly is intended for compatible PacFab FNS 60 square foot DE filters and helps maintain the correct internal water pathway. It is commonly replaced during major filter service when internal parts are brittle, cracked, or damaged by age and chemical exposure. A properly fitted standpipe helps the grids function as intended and reduces the risk of unfiltered water bypassing the media. Standpipe assembly for FNS 60 sqft DE filters