Pentair SS Filter Tank Clamp Band Washer - Large ID, 53004800
Pentair Washer for American Products and Pac-Fab filters. 53004800 (or 53004800Z) is a small stainless steel washer that is called Washer, Large I.D. - because has a larger inner diameter of the two washers used on the filter tank clamp band used on Stainless Steel filter tanks. Used on American Sandpiper, American Titan, PacFab Seahorse SH, and Pac-Fab (Purex-Triton) Nautilus NS pool filters. This item, 53004800 washer is placed on the outside of the spring, and has a larger diameter opening (.430"), to allow the clamp nut to pass through. The smaller washer 53006300 is placed over the bolt first on the other side of the spring.