{"product_id":"whale-wx1524b-brass-stem-adapter-1-2-npt-to-15mm","title":"Whale WX1524B Brass Stem Adapter 1\/2\" NPT to 15mm","description":"\u003cp class=\"nvn-hero\"\u003eThe Whale WX1524B is a solid brass adapter that takes you from a 1\/2 inch male NPT thread to a 15mm male stem. It's the fitting that ties standard threaded plumbing into Whale's 15mm Quick Connect system, so you can add an outlet or replumb a freshwater run without wrestling hose clamps in a tight bilge.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eSometimes the whole plumbing job comes down to one small fitting, and the Whale WX1524B is exactly that kind of part. It's a solid brass adapter with a 1\/2 inch male NPT thread on one end and a 15mm male stem on the other. That stem is built for Whale's Quick Connect plumbing system, so this little adapter is how you bridge standard threaded plumbing into a 15mm push-fit run without stacking up a pile of reducers.\u003c\/p\u003e\n\u003cp\u003eHere's where it earns its place on the boat. Say you've got a freshwater pump, a filter housing, or a tank fitting with a 1\/2 inch NPT female port, and the rest of your water system runs on Whale's 15mm Quick Connect tubing. You thread the WX1524B into that NPT port, and now you've got a 15mm stem ready to drop into a Quick Connect fitting. That's it. No adapters on adapters, no hoping a barb and a clamp will hold.\u003c\/p\u003e\n\u003cp\u003eThe Quick Connect side is the whole point of the Whale system. It's meant to be something anyone can work with, whether you're adding a single new outlet, tapping in a shower or a galley tap, or replumbing a boat from scratch. The 15mm stem seats into a Whale Quick Connect fitting and locks in, so you're not fighting hose clamps in a tight bilge. We like that on a boat where half the plumbing lives somewhere you can barely reach.\u003c\/p\u003e\n\u003cp\u003eBrass is the right material for this spot. It threads cleanly into NPT ports, it stands up to freshwater service season after season, and it doesn't get brittle the way some plastics can when they've baked in a hot engine bay or a sun-struck locker. On a fitting that might live behind a bulkhead or down in the bilge, you want something you can install once and forget about. That's the case brass makes.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward, but there's a right way to do it. The NPT end is a tapered thread, so it seals on the threads themselves. Give it a few wraps of PTFE tape or a light coat of pipe thread sealant, thread it in, and snug it down. Don't go gorilla on it. Brass into brass or brass into plastic wants firm and clean, not cranked to the point you crack a fitting. The 15mm stem end is different. It doesn't take tape or sealant at all. It's a push connection into the Quick Connect fitting, and that fitting does the sealing and gripping for you.\u003c\/p\u003e\n\u003cp\u003eOne quick note on sizing, since it trips people up. That 15mm stem works out to right around 9\/16 of an inch, so if you're used to thinking in fractional inches, that's your reference point. The 1\/2 inch NPT end is standard pipe thread, the same size port you'll find on a lot of freshwater pumps, accumulator tanks, filter heads, and water fittings. So the WX1524B tends to be the piece that lets your existing threaded gear talk to a modern 15mm plumbing layout.\u003c\/p\u003e\n\u003cp\u003eA couple of things worth knowing before you order. This is a freshwater plumbing fitting, so match it to the rest of your freshwater system and keep it out of waste and fuel lines. And it's sold as a single adapter. If you're building out several connections, count them up and order one WX1524B per junction. It's a cheap part to keep a spare of, and there's nothing worse than being one fitting short with the water system half apart.\u003c\/p\u003e\n\u003cp\u003eFor anyone running Whale's 15mm plumbing, this is one of those quiet parts that just makes the whole system come together. It takes the guesswork out of tying threaded gear into a push-fit run, and because it's brass, it's the kind of fitting you install once and never think about again.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eSolid brass construction threads cleanly into NPT ports and holds up in freshwater service\u003c\/li\u003e\n  \u003cli\u003e1\/2 inch male NPT thread on one end for standard threaded freshwater ports\u003c\/li\u003e\n  \u003cli\u003e15mm male stem on the other end for Whale's Quick Connect plumbing system\u003c\/li\u003e\n  \u003cli\u003ePush-fit 15mm stem drops into a Quick Connect fitting with no clamps or tape needed\u003c\/li\u003e\n  \u003cli\u003eBridges threaded gear like pumps, filters, and tanks into a 15mm push-fit run\u003c\/li\u003e\n  \u003cli\u003e15mm stem equals roughly 9\/16 inch for fractional-inch reference\u003c\/li\u003e\n  \u003cli\u003eSold as a single adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Whale Marine reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does the Whale WX1524B adapt between?\u003c\/summary\u003e\n    \u003cp\u003eIt converts a 1\/2 inch male NPT thread to a 15mm male stem, so you can tie standard threaded freshwater plumbing into Whale's 15mm Quick Connect system.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this part of the Whale Quick Connect plumbing system?\u003c\/summary\u003e\n    \u003cp\u003eYes. The 15mm stem is designed to seat into a Whale Quick Connect fitting, which is what lets you add outlets or replumb a run without hose clamps.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is it made of?\u003c\/summary\u003e\n    \u003cp\u003eSolid brass. It threads cleanly into NPT ports and stands up well to freshwater service.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes the 15mm stem end need thread tape or a clamp?\u003c\/summary\u003e\n    \u003cp\u003eNo. The stem is a push connection into the Quick Connect fitting, and that fitting does the gripping and sealing. Tape and clamps only complicate it.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo I need sealant on the NPT end?\u003c\/summary\u003e\n    \u003cp\u003eYes. The 1\/2 inch NPT thread is tapered and seals on the threads, so give it a few wraps of PTFE tape or a light coat of pipe thread sealant before you snug it down.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is 15mm in inches?\u003c\/summary\u003e\n    \u003cp\u003eRight around 9\/16 of an inch. The threaded end is a standard 1\/2 inch NPT.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it sold individually?\u003c\/summary\u003e\n    \u003cp\u003eYes, it comes as a single adapter. If you're making several connections, order one per junction.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this for freshwater or waste plumbing?\u003c\/summary\u003e\n    \u003cp\u003eIt's a freshwater plumbing fitting. Keep it in your freshwater system and out of waste and fuel lines.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat kind of gear would I connect with it?\u003c\/summary\u003e\n    \u003cp\u003eAnything with a 1\/2 inch NPT female port that you want on a 15mm run, like a freshwater pump, an accumulator tank, or a filter housing.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eAdapter; 1\/2 Inch Male NPT x 15 Millimeter Male Stem; Brass; Single\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eWhale Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eWX1524B\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e766478152473\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNPT Connection\u003c\/th\u003e\n\u003ctd\u003e1\/2 Inch Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eStem Connection\u003c\/th\u003e\n\u003ctd\u003e15mm Male Stem\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eStem Size Equivalent\u003c\/th\u003e\n\u003ctd\u003e9\/16 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePlumbing System\u003c\/th\u003e\n\u003ctd\u003eWhale Quick Connect\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFitting Type\u003c\/th\u003e\n\u003ctd\u003eMale Stem Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003ePush-fit stem into 15mm Quick Connect fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does the Whale WX1524B adapt between?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It converts a 1\/2 inch male NPT thread to a 15mm male stem, so you can tie standard threaded freshwater plumbing into Whale's 15mm Quick Connect system.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this part of the Whale Quick Connect plumbing system?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The 15mm stem is designed to seat into a Whale Quick Connect fitting, which is what lets you add outlets or replumb a run without hose clamps.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is it made of?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Solid brass. It threads cleanly into NPT ports and stands up well to freshwater service.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does the 15mm stem end need thread tape or a clamp?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The stem is a push connection into the Quick Connect fitting, and that fitting does the gripping and sealing. Tape and clamps only complicate it.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Do I need sealant on the NPT end?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The 1\/2 inch NPT thread is tapered and seals on the threads, so give it a few wraps of PTFE tape or a light coat of pipe thread sealant before you snug it down.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is 15mm in inches?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Right around 9\/16 of an inch. The threaded end is a standard 1\/2 inch NPT.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it sold individually?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, it comes as a single adapter. If you're making several connections, order one per junction.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this for freshwater or waste plumbing?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a freshwater plumbing fitting. Keep it in your freshwater system and out of waste and fuel lines.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What kind of gear would I connect with it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Anything with a 1\/2 inch NPT female port that you want on a 15mm run, like a freshwater pump, an accumulator tank, or a filter housing.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Whale Marine","offers":[{"title":"Default Title","offer_id":45080672927837,"sku":"2010086","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_c254027b-4b37-4539-b87b-08974bda18b7.jpg?v=1789991778","url":"https:\/\/nvnmarine.com\/products\/whale-wx1524b-brass-stem-adapter-1-2-npt-to-15mm","provider":"NVN Marine","version":"1.0","type":"link"}