{"product_id":"deltana-55211u26-ul-fire-rated-door-viewer","title":"Deltana 55211U26-UL Fire Rated Door Viewer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe DELTANA 55211U26-UL is a fire rated door viewer designed for installation in fire-rated door assemblies where code-compliant vision panels are required. Finished in bright chrome, it provides a clean, professional appearance suited to commercial and residential applications alike. The unit ships as a single piece and is intended for installation by licensed contractors or qualified door hardware installers working on fire-rated openings. At 0.05 pounds, the viewer is compact and lightweight, measuring 1.8 inches in length, 1 inch in width, and 1.3 inches in height.\u003c\/p\u003e\n\u003cp\u003eFire rated door viewers are used in applications where door assemblies must meet fire listing requirements, including corridor doors, stairwell entries, and unit entry doors in multi-family residential and commercial buildings. The UL designation in the part number indicates suitability for use in UL-listed fire door assemblies. This viewer is sold individually and is appropriate for new construction and replacement installations where the existing viewer must meet fire rating standards.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFire rated construction suitable for UL-listed fire door assemblies\u003c\/li\u003e\n  \u003cli\u003eBright chrome finish for a clean, professional appearance\u003c\/li\u003e\n  \u003cli\u003eCompact profile: 1.8 inches long, 1 inch wide, 1.3 inches tall\u003c\/li\u003e\n  \u003cli\u003eLightweight at 0.05 pounds for straightforward single-unit installation\u003c\/li\u003e\n  \u003cli\u003eSold individually, compatible with standard door viewer bore applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation door viewer for fire-rated door assemblies requiring a UL-listed vision unit in bright chrome finish.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation of fire-rated door viewers must comply with the door assembly manufacturer's listing requirements and applicable local building codes. The door viewer should be installed by a qualified contractor familiar with fire door hardware requirements to ensure the fire rating of the assembly is maintained. Do not modify the bore size beyond the viewer's specified requirements, as alterations may void the fire rating of the door assembly. Verify that the finished door assembly, including the installed viewer, complies with applicable fire door inspection standards before returning the opening to service.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 1.8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 1.3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.05 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bright Chrome\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFire Rating\u003c\/strong\u003e: UL Listed\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: DELTANA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 55211U26-UL\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DELTANA","offers":[{"title":"Default Title","offer_id":51563614306610,"sku":"55211U26-UL","price":16.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/df12d37ac91170d5a044086ba587805e.jpg?v=1786499800","url":"https:\/\/voomisupply.com\/products\/deltana-55211u26-ul-fire-rated-door-viewer","provider":"Voomi Supply","version":"1.0","type":"link"}