{"product_id":"anderson-metals-1-4-in-mpt-in-red-brass-square-head-plug","title":"Anderson Metals 1\/4 in. MPT in. Red Brass Square Head Plug","description":"\u003cdiv\u003e\n\u003cp\u003eSeal and protect threaded ports with the trusted performance of the Anderson Metals 1\/4 in. MPT Red Brass Square Head Plug. Built from red brass and crafted for durability, this plug is designed to thread neatly into a 1\/4\" male pipe thread (MPT) to stop leaks, protect internal components, and simplify maintenance across plumbing, HVAC, and light hydraulic systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey benefits at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLead-free construction\u003c\/strong\u003e supports safer, compliant use in potable water and where metal-to-fluid contact occurs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRed brass alloy\u003c\/strong\u003e delivers solid corrosion resistance and robust performance across typical hot, cold, and mixed-fluid environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1\/4\" MPT threading\u003c\/strong\u003e provides broad compatibility with common piping and fittings in residential and light commercial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSquare head design\u003c\/strong\u003e enables easy installation and removal with a standard wrench or socket, even in tight spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid pressure and temperature tolerance\u003c\/strong\u003e rated up to 200 psi and up to 150°F, making it suitable for a range of testing, service, and sealing tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical, single-pack convenience\u003c\/strong\u003e—1 piece per package for quick replacements or on-the-spot repairs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhere and how to use this plug\u003c\/h3\u003e\n\u003cp\u003eThe Anderson Metals square head plug is ideal for sealing off a 1\/4\" MPT port on piping, manifolds, valves, or equipment during maintenance, pressure testing, or system commissioning. It’s a reliable solution when you need a temporary or semi-permanent seal that can be removed later without damaging the thread or surrounding hardware.\u003c\/p\u003e \u003ch3\u003eWhy this plug stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDurable red brass\u003c\/strong\u003e withstands everyday wear and thermal cycling better than standard plastics, reducing the risk of brittle failure in fluctuating temperature environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead-free assurance\u003c\/strong\u003e aligns with safety standards for systems carrying potable fluids and reduces environmental concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimple, repeatable installation\u003c\/strong\u003e with a square head means consistent torque application and easier future removal, even in recessed or awkward spaces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation tips and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure the mating threads are clean and free of debris before installation to achieve a proper seal.\u003c\/li\u003e \u003cli\u003eUse an appropriate pipe thread sealant or PTFE tape rated for brass threads to prevent leaks. Apply evenly and avoid over-torquing the plug.\u003c\/li\u003e \u003cli\u003eTighten until snug with a wrench on the square head; avoid excessive force that could damage threads or the plug body.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential and light commercial plumbing projects\u003c\/li\u003e \u003cli\u003eHVAC line work and diagnostic testing ports\u003c\/li\u003e \u003cli\u003eMaintenance and service scenarios where a reliable, removable seal is needed\u003c\/li\u003e \u003cli\u003eEquipment housings and manifolds requiring a compact, square-head threaded plug\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCount on the Anderson Metals 1\/4 in. MPT Red Brass Square Head Plug for a dependable, easy-to-use sealing solution that combines solid machining, corrosion resistance, and practical design. Use it to protect, seal, and simplify your piping projects with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Anderson Metals","offers":[{"title":"Default Title","offer_id":52171866767634,"sku":"4029406","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4029406_A.eps_High.jpg?v=1775503307","url":"https:\/\/nationalhardwaregroup.com\/products\/anderson-metals-1-4-in-mpt-in-red-brass-square-head-plug","provider":"National Hardware Group","version":"1.0","type":"link"}