{"product_id":"lcn-4031regal-heavy-duty-door-closer-size-1-4-689-aluminum","title":"Lcn 4031REGAL Heavy Duty Door Closer Size 1-4 689 Aluminum","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe LCN 4031REGAL is a heavy duty, universal door closer designed for high-traffic commercial and institutional applications. It features adjustable closing power spanning sizes 1 through 4, allowing installers to tune the closing force to meet the demands of the opening. The unit ships with TBSRT thru bolts and comes finished in 689 aluminum. At 7.9 pounds and measuring 15.6 inches in length, 6.1 inches in width, and 4.2 inches in height, this closer is built to handle repeated daily cycling without performance degradation. Licensed door hardware technicians and commercial locksmiths typically handle installation on hollow metal and wood door assemblies.\u003c\/p\u003e\n\u003cp\u003eThe 4031REGAL is suited for interior and exterior doors in schools, hospitals, government buildings, correctional facilities, and other high-traffic commercial environments. The adjustable size range of 1 through 4 covers a broad range of door widths and weights, making this closer a practical choice across multiple opening types within a single facility. The 689 aluminum finish is a common specification in commercial projects where a clean, low-profile appearance is required alongside durable hardware performance.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable closing power covers door closer sizes 1 through 4\u003c\/li\u003e\n  \u003cli\u003eIncludes TBSRT thru bolts for secure, through-the-door mounting\u003c\/li\u003e\n  \u003cli\u003e689 aluminum finish for corrosion resistance in commercial environments\u003c\/li\u003e\n  \u003cli\u003eHeavy duty construction rated for high-traffic institutional use\u003c\/li\u003e\n  \u003cli\u003eUniversal design supports multiple mounting configurations\u003c\/li\u003e\n  \u003cli\u003eCompact footprint at 15.6 x 6.1 x 4.2 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style heavy duty door closer for commercial and institutional door assemblies where a size 1-4 adjustable closer with through-bolt mounting is specified.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed door hardware technician or commercial locksmith familiar with ANSI\/BHMA door closer standards. Verify door weight and width fall within the size 1-4 closing force range before mounting. De-latch the door and confirm the frame is structurally sound prior to drilling for thru bolt installation. Consult local building and accessibility codes, including ADA opening force requirements, before setting the final closing speed and latching adjustments.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClosing Power Range\u003c\/strong\u003e: Size 1-4 (adjustable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: 689 Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 15.6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 6.1 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 4.2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 7.9 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Hardware\u003c\/strong\u003e: TBSRT Thru Bolts included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSales Unit\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: LCN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 4031REGAL\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LCN","offers":[{"title":"Default Title","offer_id":51559156056370,"sku":"4031REGAL","price":588.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/594a2ce804c29d0c0869815fe0c70514.jpg?v=1786429348","url":"https:\/\/voomisupply.com\/products\/lcn-4031regal-heavy-duty-door-closer-size-1-4-689-aluminum","provider":"Voomi Supply","version":"1.0","type":"link"}