{"product_id":"loc-line-npt-connectors-valves","title":"Loc-Line NPT Connectors \u0026 Valves","description":"\u003cp\u003e\u003cstrong\u003eLoc-Line NPT Connectors \u0026amp; Valves\u003c\/strong\u003e are the threaded fittings that start a Loc-Line run. Thread the male NPT end into a return pump outlet, bulkhead, or manifold, then snap your hose segments straight onto the ball end. The connector versions are simple starters, while the valve versions add quarter turn flow control right at the source. Finish the run with our \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/loc-line-nozzles-3-4\"\u003eLoc-Line 3\/4\" Nozzles\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eWhy Start With NPT\u003c\/h3\u003e\n\u003cp\u003eMost pumps, bulkheads, and plumbing manifolds end in a threaded port, and NPT is the standard pipe thread in the hobby. One of these fittings is the bridge between that hard plumbing and the flexible, re-aimable Loc-Line side of your return. Like every Loc-Line part, they are molded in the USA from saltwater resistant acetal copolymer, so they hold up in sumps and reef returns for years.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eChoose Your Fitting\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;\"\u003e\n\u003ctr style=\"background:#E0F7FA;\"\u003e\n\u003cth style=\"border:1px solid #B2EBF2;padding:6px 8px;text-align:left;\"\u003eFitting\u003c\/th\u003e\n\u003cth style=\"border:1px solid #B2EBF2;padding:6px 8px;text-align:left;\"\u003eSKU\u003c\/th\u003e\n\u003cth style=\"border:1px solid #B2EBF2;padding:6px 8px;text-align:left;\"\u003eWhat It Does\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;font-weight:600;\"\u003e1\/2\" Connector\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eLOC59863\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eMale NPT thread to ball end for the 1\/2\" Loc-Line system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;font-weight:600;\"\u003e3\/4\" Connector\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eLOC69545\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eMale NPT thread to ball end for the 3\/4\" Loc-Line system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;font-weight:600;\"\u003e1\/2\" Valve\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eLOC69852\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eMale NPT thread plus a quarter turn valve, controls the whole 1\/2\" run at its source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;font-weight:600;\"\u003e3\/4\" Valve\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eLOC69556\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eMale NPT thread plus a quarter turn valve for the 3\/4\" system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eHow to Install\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWrap the male threads with a few turns of PTFE thread tape, then hand tighten into the pump outlet, bulkhead, or manifold port.\u003c\/li\u003e\n\u003cli\u003eSnap your Loc-Line segments onto the ball end. The \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/loc-line-assembly-pliers\"\u003eLoc-Line Assembly Pliers\u003c\/a\u003e make the joints much easier to seat and separate.\u003c\/li\u003e\n\u003cli\u003ePick the valve version anywhere you may want to kill or throttle the line later: feeding mode, skimmer tuning, or isolating a branch for maintenance.\u003c\/li\u003e\n\u003cli\u003eMatch the fitting to your hose size. The 1\/2\" and 3\/4\" systems do not interchange without an adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;background:#E0F7FA;font-weight:600;width:38%;\"\u003eSizes\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003e1\/2\" and 3\/4\" hose ID Loc-Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;background:#E0F7FA;font-weight:600;\"\u003eThread\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eMale NPT, sized to match the system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;background:#E0F7FA;font-weight:600;\"\u003eStyles\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eStraight connector or quarter turn valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;background:#E0F7FA;font-weight:600;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eAcetal copolymer, saltwater resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;background:#E0F7FA;font-weight:600;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;background:#E0F7FA;font-weight:600;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eFreshwater and saltwater aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;background:#E0F7FA;font-weight:600;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 8px;\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/loc-line-nozzles-3-4\"\u003eLoc-Line 3\/4\" Nozzles\u003c\/a\u003e: round and flare tips to aim the flow\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/loc-line-in-line-valves\"\u003eLoc-Line In-Line Valves\u003c\/a\u003e: add flow control mid-run instead of at the source\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/loc-line-assembly-pliers\"\u003eLoc-Line Assembly Pliers\u003c\/a\u003e: assemble and break down joints without the struggle\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefrun-g2-6000-dc-pump\"\u003eRed Sea ReefRun G2 DC return pumps\u003c\/a\u003e: a controllable heart for the return loop\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-water\"\u003eShop all saltwater supplies\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eConnector or valve?\u003c\/strong\u003e If you just need to get from threads to Loc-Line, the connector does it for less. Pick the valve when you want to throttle or shut off that entire line without touching the pump, which is worth it on most displays for feeding time alone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat thread size is it?\u003c\/strong\u003e The thread matches the system size: the 1\/2\" fittings carry 1\/2\" male NPT and the 3\/4\" fittings carry 3\/4\" male NPT. Check your pump or bulkhead port before ordering, and use a threaded adapter if they differ.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need thread sealant?\u003c\/strong\u003e A few wraps of PTFE tape on the threads is plenty for aquarium pressures. Skip pipe dope, which can be a problem around livestock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this the same as the in-line valve?\u003c\/strong\u003e No. The \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/loc-line-in-line-valves\"\u003ein-line valve\u003c\/a\u003e has ball-and-socket ends and splices into the middle of a run. These NPT fittings thread into hard plumbing to start the run.\u003c\/p\u003e","brand":"Loc-Line","offers":[{"title":"1\/2\" Connector","offer_id":48868825497819,"sku":"LOC59863","price":1.99,"currency_code":"USD","in_stock":true},{"title":"3\/4\" Connector","offer_id":48868825530587,"sku":"LOC69545","price":2.99,"currency_code":"USD","in_stock":true},{"title":"1\/2\" Valve","offer_id":48868825563355,"sku":"LOC69852","price":8.99,"currency_code":"USD","in_stock":true},{"title":"3\/4\" Valve","offer_id":48868825596123,"sku":"LOC69556","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_a2d071d8-dd4f-41cf-9769-5a872c781e3c.jpg?v=1781271688","url":"https:\/\/squeakysaquatics.com\/products\/loc-line-npt-connectors-valves","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}