{"product_id":"stz-industries-4-in-fip-each-x-4-in-d-fip-galvanized-malleable-iron-union","title":"STZ Industries 4 in. FIP each X 4 in. D FIP Galvanized Malleable Iron Union","description":"\u003cdiv\u003e\n\u003cp\u003eThe STZ Industries 4 in. FIP x 4 in. FIP Galvanized Malleable Iron Union is built for reliability in potable water and light industrial piping. This two-ended union uses sturdy malleable iron with a durable galvanized finish, delivering a serviceable, removable connection that simplifies maintenance without sacrificing strength.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTwo 4 in. FIP ends\u003c\/strong\u003e: Each side features a female iron pipe thread that threads onto standard 4\" fittings, providing a secure, disassemblable connection for easy maintenance and future upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead-free construction\u003c\/strong\u003e: Designed with safety in mind for potable water applications, giving you confidence in the material’s suitability for everyday use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion-resistant finish\u003c\/strong\u003e: Galvanized exterior shields the union from moisture and rust, making it a solid choice for basements, crawl spaces, and outdoor installs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-strength performance\u003c\/strong\u003e: Rated up to 300 psi and temperatures up to 150°F, balancing toughness with practicality for typical water supply and light industrial piping needs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRemovable, maintenance-friendly design\u003c\/strong\u003e: Unlike permanent joins, this union can be taken apart quickly for repairs, replacements, or system upgrades with minimal downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical packaging\u003c\/strong\u003e: Bagged for organized storage on job sites and efficient inventory management.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most: plumbers, facilities maintenance teams, and contractors tackling 4\" piping projects where future access matters. Use cases include potable water lines, irrigation manifolds, and light industrial circuits where you need a secure, reversible connection without welding or soldering.\u003c\/p\u003e \u003cp\u003eInstallation notes (practical tips): align threads carefully, use an appropriate thread sealant compatible with potable water, and tighten evenly with two wrenches to avoid cross-threading. Avoid over-tightening to preserve the integrity of the FIP connections. Regularly inspect for signs of wear or corrosion and replace the union if leaks appear.\u003c\/p\u003e \u003cp\u003eChoose the STZ Industries 4 in. FIP x 4 in. FIP Galvanized Malleable Iron Union for a durable, serviceable solution that makes 4\" piping runs easier to assemble, disassemble, and maintain—without compromising on safety or performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Stz Industries","offers":[{"title":"Default Title","offer_id":52185039208722,"sku":"4365862","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4365862_A.eps_High.jpg?v=1775767092","url":"https:\/\/nationalhardwaregroup.com\/products\/stz-industries-4-in-fip-each-x-4-in-d-fip-galvanized-malleable-iron-union","provider":"National Hardware Group","version":"1.0","type":"link"}