{"product_id":"b-k-mueller-indsimport-521-804hn-black-plain-plug","title":"B K\/mueller Inds(import) 521-804HN Black Plain Plug","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe B K\/MUELLER INDS(IMPORT) 521-804HN is a 3\/4-inch black plain plug designed to cap or seal threaded pipe openings in gas, air, and fluid piping systems. This fitting provides a secure, leak-resistant closure on male-threaded pipe ends. Sold in a package of 20 units, it is well suited for contractors and service technicians who install or maintain black iron piping systems in residential and light commercial applications. The plain plug style allows for straightforward installation without the need for specialized tooling beyond a pipe wrench.\u003c\/p\u003e\u003cp\u003eThis plug is a standard fitting used in gas distribution piping, compressed air lines, and general plumbing rough-in work. It is commonly installed by licensed plumbers, HVAC technicians, and pipefitters when capping unused branch outlets, test ports, or service connections. The 3\/4-inch size is one of the most common pipe sizes encountered in residential gas and air systems, making this a practical item for field stock.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3\/4-inch pipe size for use on standard threaded pipe\u003c\/li\u003e\n\u003cli\u003eBlack finish consistent with black iron pipe systems\u003c\/li\u003e\n\u003cli\u003ePlain plug style for straightforward threaded installation\u003c\/li\u003e\n\u003cli\u003eSold in a package of 20 units, suitable for contractor stocking\u003c\/li\u003e\n\u003cli\u003eCompact and lightweight at approximately 2.47 pounds per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard threaded pipe plug for use with 3\/4-inch black iron or steel pipe systems in gas, air, and general fluid piping applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by licensed plumbers or HVAC technicians working on threaded pipe systems. Shut off all gas or fluid supply and depressurize the line before removing or installing any threaded fitting. Use an appropriate pipe wrench and apply thread sealant or tape in accordance with local code requirements and IFGC or IPC guidelines. Do not over-tighten threaded fittings, as this can damage the threads or the fitting body.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Size\u003c\/strong\u003e: 3\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 20 units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 2.47 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: EA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: B K\/MUELLER INDS(IMPORT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 521-804HN\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SOUTHLAND","offers":[{"title":"Default Title","offer_id":51560706474290,"sku":"521-804HN","price":27.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e5c027d97dacac16991e3d9d37302764_791f8e2d-4d91-4bbd-968b-11bee32b39d2.jpg?v=1786455990","url":"https:\/\/voomisupply.com\/products\/b-k-mueller-indsimport-521-804hn-black-plain-plug","provider":"Voomi Supply","version":"1.0","type":"link"}