{"product_id":"sdc-ehr3a-extension-rod-3-inch-chrome-door-closer","title":"Sdc EHR3A Extension Rod 3 Inch Chrome Door Closer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SDC Security Door Controls EHR3A is a 3-inch extension rod finished in chrome, designed to extend the reach of compatible door closer arms. It is used when standard arm lengths are insufficient for proper door closer installation, allowing technicians to achieve correct geometry between the closer body and the door or frame. The chrome finish provides corrosion resistance suitable for interior and light commercial applications. Installation is handled by locksmiths, door hardware technicians, or commercial general contractors working on door closer systems.\u003c\/p\u003e\u003cp\u003eThe EHR3A is applicable in commercial and institutional settings where door closers require additional arm extension to meet the required backcheck or sweep geometry. It is commonly used in retrofit situations where existing door frames, transoms, or door widths fall outside the range of a standard closer arm. This accessory fits into the door closers and holders product category and is sold as an individual unit.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3-inch extension length accommodates non-standard door closer mounting configurations\u003c\/li\u003e\n\u003cli\u003eChrome finish provides a clean, corrosion-resistant appearance for interior commercial applications\u003c\/li\u003e\n\u003cli\u003eSold as a single unit for targeted replacement or new installation use\u003c\/li\u003e\n\u003cli\u003eCompatible with door closer arm systems requiring extended reach\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style extension rod accessory for door closer arm systems requiring additional reach. Consult the SDC product manual for confirmed compatible closer models before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a licensed locksmith or qualified door hardware technician. Before servicing or replacing door closer components, ensure the door is held open safely and the closer is depressurized or disengaged per manufacturer instructions. Standard hand tools are typically sufficient for rod attachment and adjustment. Verify final arm geometry and sweep speed after installation to ensure the closer operates within building code requirements.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtension Length\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Per Pack\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: Door Closers \/ Holders \/ Alarms\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SDC Security Door Controls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: EHR3A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SDC","offers":[{"title":"Default Title","offer_id":51686758875442,"sku":"EHR3A","price":75.12,"currency_code":"USD","in_stock":true}],"url":"https:\/\/voomisupply.com\/products\/sdc-ehr3a-extension-rod-3-inch-chrome-door-closer","provider":"Voomi Supply","version":"1.0","type":"link"}