{"product_id":"1-bulkhead-abs-slip-x-thread","title":"1” Bulkhead ABS Slip x Thread","description":"\u003cp\u003eBulkheads create a secure, watertight connection through the wall of an aquarium or sump, allowing plumbing to safely move water in or out of the system. These low-profile, reef-safe bulkheads are made from durable black ABS plastic and feature a slightly thicker construction than many standard aquarium bulkheads for added strength and reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eHow Do I Pick the Right Bulkhead for My Project?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThreaded vs. Slip Connections\u003cbr\u003e\u003c\/strong\u003eBulkheads are available with either threaded or slip connections for attaching plumbing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded:\u003c\/strong\u003e Threaded fittings screw directly into the bulkhead for a semi-permanent installation. Threaded connections make future plumbing changes easier, but they can sometimes increase the chance of a leak.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlip:\u003c\/strong\u003e Plumbing fittings or PVC pipe are glued directly into the bulkhead for a permanent installation. Slip connections are often the most robust option for long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Size Bulkhead Do I Need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen selecting a bulkhead, the hole in your tank must be slightly larger than the corresponding bulkhead’s “C” measurement, but no larger than the “A” measurement. See the diagram for reference.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExample:\u003c\/strong\u003e If your tank currently has a 1.75\" diameter hole, you would want to use the 1\" ABS Bulkhead.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv class=\"brs-bulkhead-overview\"\u003e\n\u003cdiv class=\"brs-bulkhead-overview__copy\"\u003e\n\u003ch3\u003eBulkhead and Glass Drill Bit Sizing Guide\u003c\/h3\u003e\n\u003cp\u003eUse the chart below to compare ABS bulkhead dimensions and match each bulkhead with the correct diamond-coated glass drill bit. Bulkheads are identified by the size of pipe they connect to—not by the larger diameter of the hole drilled through the aquarium.\u003c\/p\u003e\n\u003cp\u003eThe dimensions below apply to all slip \u0026amp; thread configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bulkhead-image\"\u003e\u003cimg src=\"https:\/\/media2.cdn.bulkreefsupply.com\/media\/wysiwyg\/JULY26\/bulkhead-exploded.jpg\" alt=\"Top and side views of a bulkhead fitting showing head diameter, full height, and body diameter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brs-bulkhead-table-scroll\"\u003e\n\u003ctable class=\"brs-bulkhead-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eBulkhead\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eA — Head Diameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eB — Full Height\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eC — Body Diameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eHole Size\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eGlass Drill Bit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/2\" ABS Bulkheads\u003c\/td\u003e\n\u003ctd\u003e44 mm \/ 1.72\"\u003c\/td\u003e\n\u003ctd\u003e43 mm \/ 1.69\"\u003c\/td\u003e\n\u003ctd\u003e27 mm \/ 1.06\"\u003c\/td\u003e\n\u003ctd\u003e30 mm \/ 1.18\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.bulkreefsupply.com\/diamond-coated-glass-drill-bits.html\"\u003e30 mm\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4\" ABS Bulkheads\u003c\/td\u003e\n\u003ctd\u003e52 mm \/ 2.04\"\u003c\/td\u003e\n\u003ctd\u003e50 mm \/ 1.98\"\u003c\/td\u003e\n\u003ctd\u003e34 mm \/ 1.33\"\u003c\/td\u003e\n\u003ctd\u003e35 mm \/ 1.38\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.bulkreefsupply.com\/diamond-coated-glass-drill-bits.html\"\u003e35 mm\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\" ABS Bulkheads\u003c\/td\u003e\n\u003ctd\u003e68 mm \/ 2.67\"\u003c\/td\u003e\n\u003ctd\u003e63 mm \/ 2.48\"\u003c\/td\u003e\n\u003ctd\u003e42 mm \/ 1.65\"\u003c\/td\u003e\n\u003ctd\u003e45 mm \/ 1.66\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.bulkreefsupply.com\/diamond-coated-glass-drill-bits.html\"\u003e45 mm\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1-1\/4\" ABS Bulkheads\u003c\/td\u003e\n\u003ctd\u003e77 mm \/ 3.05\"\u003c\/td\u003e\n\u003ctd\u003e71 mm \/ 2.80\"\u003c\/td\u003e\n\u003ctd\u003e51 mm \/ 2.00\"\u003c\/td\u003e\n\u003ctd\u003e53 mm \/ 2.09\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.bulkreefsupply.com\/diamond-coated-glass-drill-bits.html\"\u003e53 mm\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1-1\/2\" ABS Bulkheads\u003c\/td\u003e\n\u003ctd\u003e86 mm \/ 3.38\"\u003c\/td\u003e\n\u003ctd\u003e73 mm \/ 2.87\"\u003c\/td\u003e\n\u003ctd\u003e59 mm \/ 2.32\"\u003c\/td\u003e\n\u003ctd\u003e60 mm \/ 2.37\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.bulkreefsupply.com\/diamond-coated-glass-drill-bits.html\"\u003e60 mm\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\" ABS Bulkheads\u003c\/td\u003e\n\u003ctd\u003e98 mm \/ 3.85\"\u003c\/td\u003e\n\u003ctd\u003e73 mm \/ 2.87\"\u003c\/td\u003e\n\u003ctd\u003e72 mm \/ 2.83\"\u003c\/td\u003e\n\u003ctd\u003e75 mm \/ 2.96\"\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.bulkreefsupply.com\/diamond-coated-glass-drill-bits.html\"\u003e75 mm\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"The Little Reef Shop","offers":[{"title":"Default Title","offer_id":50153511092529,"sku":null,"price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/1047\/3265\/files\/202958-bulkhead-c-slipxthread.webp?v=1792782926","url":"https:\/\/thelittlereefshop.com\/products\/1-bulkhead-abs-slip-x-thread","provider":"The Little Reef Shop","version":"1.0","type":"link"}