{"product_id":"de-large-hold-down-complete","title":"DE, Large Hold Down - Complete","description":"\u003cp data-path-to-node=\"0\" class=\"first-token\"\u003e\u003cspan class=\"\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"4\"\u003eDE Large Hold-Down Assembly (Complete)\u003c\/b\u003e\u003cspan\u003e (often cataloged across commercial and heavy-duty DE lines by manufacturers such as \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"127\"\u003eHayward\u003c\/b\u003e\u003cspan\u003e,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"136\"\u003ePentair \/ Pac-Fab \/ Purex\u003c\/b\u003e\u003cspan\u003e,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"163\"\u003eJacuzzi\u003c\/b\u003e\u003cspan\u003e,\u003c\/span\u003e\u003cspan\u003e and commercial equivalents like \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"204\"\u003eFilbur\u003c\/b\u003e\u003cspan\u003e) is the upper structural retainer and stabilizer harness designed to lock large commercial DE grid clusters firmly in position.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003e\u003cspan\u003eIn high-capacity vertical DE filters (such as those using 30\" and 48\" high elements),\u003c\/span\u003e\u003cspan\u003e water enters under pressure and forces upward across the elements.\u003c\/span\u003e\u003cspan\u003e The hold-down assembly spans the top of the grid cluster,\u003c\/span\u003e\u003cspan\u003e distributing uniform mechanical downward pressure via central tie rods or perimeter clamp rods.\u003c\/span\u003e\u003cspan\u003e This prevents the elements from lifting off the bottom manifold,\u003c\/span\u003e\u003cspan\u003e rocking,\u003c\/span\u003e\u003cspan\u003e or breaking their lower O-ring seals during pump startup,\u003c\/span\u003e\u003cspan\u003e high differential pressure,\u003c\/span\u003e\u003cspan\u003e and backwashing cycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"4\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\"\u003eComponent Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,1,0\"\u003eDE Large Hold-Down Assembly (Complete)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,0,0\"\u003e\u003cb data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\"\u003eCompatible Element Sizes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,1,0\"\u003e30\" × 36\", 30\" × 60\", 48\" × 60\", and large full-cluster DE grids\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,0,0\"\u003e\u003cb data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\"\u003eMaterial Construction\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,1,0\"\u003eHeavy-duty, glass-filled Noryl \/ high-impact polypropylene with corrosion-resistant brass or 316 stainless steel hardware\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,0,0\"\u003e\u003cb data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,1,0\"\u003eMolded large upper retainer\/spacer bridge, stainless steel threaded tie rod(s), brass\/stainless lock washers, and brass compression tension nut(s)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,0,0\"\u003e\u003cb data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\"\u003ePrimary Function\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,1,0\"\u003eCompresses the grid cluster downward against the lower collection\/distribution hub to maintain manifold seal integrity\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,0,0\"\u003e\u003cb data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\"\u003eTypical Shipping Weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,1,0\"\u003e\u003cb data-path-to-node=\"4,6,1,0\" data-index-in-node=\"0\"\u003e~4.5 to 6.5 lbs\u003c\/b\u003e (retainer bridge plate + full rod\/nut hardware kit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":68129919041647,"sku":"DE-HDKL","price":65.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/Screenshot2026-11-02115925_61e6caee-736a-464f-9e9d-f702521c9702.png?v=1793638826","url":"https:\/\/commercialpoolandspasupplies.com\/products\/de-large-hold-down-complete","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}