{"product_id":"lcn-4040se120-sentronic-surface-mounted-door-closer-120-volt-ac-dc-689","title":"LCN 4040SESTDAL120V Sentronic Surface Mounted Door Closer 120 Volt AC \/ DC 689","description":"\u003cp\u003e\u003cstrong\u003eLCN 4040SESTDAL120V Sentronic Surface Mounted Door Closer 120 Volt AC \/ DC 689\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eLCN 4040SESTDAL120V Sentronic Surface Mounted Door Closer 120 Volt AC \/ DC 689\u003c\/strong\u003e is a heavy-duty commercial door closer engineered for the relentless traffic of schools, hospitals, retail, and office buildings. Independent valves let you tune sweep speed, latching speed, and backcheck to match the opening's weight, wind load, and gasketing.\u003c\/p\u003e\n\u003cp\u003eLCN door closers are the heavy-duty workhorses of commercial openings, engineered for decades of high-cycle use in hospitals, schools, and public buildings.\u003c\/p\u003e\n\u003cp\u003eAt RightSet Hardware, every LCN order ships with our \u003cstrong\u003eRight Fit Promise\u003c\/strong\u003e — verified specs, accurate fitment guidance, and friendly support from a team that actually knows door hardware. If it doesn't fit your opening, we'll make it right.\u003c\/p\u003e\n\u003ch4\u003eWhy pros and homeowners choose the LCN 4040SESTDAL120V Sentronic Surface Mounted Door Closer 120 Volt AC \/ DC 689\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable closing and latching speed.\u003c\/strong\u003e Independent valves let you tune sweep speed and final latching action for the door's weight, hardware, and traffic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable spring power.\u003c\/strong\u003e Sized for the door width and weight on the opening, with adjustment to fine-tune for wind load and gasketing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for high-traffic commercial use.\u003c\/strong\u003e Cast-iron body and forged-steel arm engineered for millions of cycles on schools, offices, and hospitals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-handed installation.\u003c\/strong\u003e Mounts on either hand of door without separate left-hand and right-hand SKUs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackcheck protection.\u003c\/strong\u003e Hydraulic backcheck cushions the door at the end of the swing to protect walls, hardware, and the closer itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL listed for fire-rated doors.\u003c\/strong\u003e Tested and listed for use on labeled fire-door assemblies where a positive-latching closer is required.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LCN","offers":[{"title":"Aluminum","offer_id":48715984765145,"sku":"4040SESTDAL120V","price":1118.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/3526\/4217\/files\/4040SE120_1_951b4c53-9bf7-48a8-8a13-667cbe1c7f02.jpg?v=1778984561","url":"https:\/\/rightsethardware.com\/products\/lcn-4040se120-sentronic-surface-mounted-door-closer-120-volt-ac-dc-689","provider":"RightSet Hardware","version":"1.0","type":"link"}