{"product_id":"lynn-hardware-medium-duty-automatic-door-closer-silver-durable","title":"LYNN HARDWARE Medium Duty Automatic Door Closer (Silver) - Durable","description":"\u003cp\u003eIn this review of the LYNN HARDWARE Medium Duty Automatic Door Closer (DC6003), the bottom line is simple: it is a dependable, commercial-grade closer for medium-traffic doors that need a secure, fire-rated solution without frequent service. The reviewer found it best suited for offices, storefronts, restaurants, and busy homes where reliability and corrosion resistance matter most. The single biggest reason to buy is the combination of a powder-coated cast aluminum body, tested durability to over one million cycles, and UL 3-hour fire rating, which together make it a long-term, low-maintenance choice.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium construction:\u003c\/strong\u003e The powder-coated cast aluminum body and wrought steel arm provide corrosion resistance and durability for medium-traffic doors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree mounting options:\u003c\/strong\u003e Regular arm, top jamb, and parallel arm mounts let installers choose the best fit for pull- or push-side applications and varied frame types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable speed controls:\u003c\/strong\u003e Three hydraulic valves let you set closing speed, latching speed, and backcheck to ensure a smooth and quiet operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified safety:\u003c\/strong\u003e UL 3-hour fire rated, ADA compliant, and ANSI\/BHMA A156.4 certified for extended life and building-code confidence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial duty rating:\u003c\/strong\u003e Designed for 40 to 80 openings per day and tested to exceed 1 million cycles, making it suitable for light commercial installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA support:\u003c\/strong\u003e Supplied and supported by a USA-based company for parts and customer help when needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis door closer is aimed at property managers, contractors, and homeowners who need a long-lasting, fire-rated closer for medium-traffic doors up to 36 in wide and about 150 lbs. Its build quality and certifications make it a practical choice for offices, restaurants, storefronts, and restrooms where a dependable closer is part of code compliance and daily operation.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include installers needing heavy-duty high-frequency closers for very high-traffic doors or projects requiring adjustable spring strengths beyond the fixed medium spring setting. Also, if effortless adjustment is crucial, be aware some users report mixed experiences with fine-tuning the valves.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSturdy, corrosion-resistant cast aluminum body and wrought steel arm for lasting performance.\u003c\/li\u003e\n\u003cli\u003eThree mounting options and complete hardware make installation flexible and straightforward.\u003c\/li\u003e\n\u003cli\u003eUL 3-hour fire rating and ANSI\/BHMA certification provide safety and reliability for code-driven installs.\u003c\/li\u003e\n\u003cli\u003eGood value for money given the commercial-grade materials and cycle testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustment ability can be fiddly; a few customers found the valves harder to tune precisely.\u003c\/li\u003e\n\u003cli\u003eSpring force is fixed at a medium setting, so it may not suit very heavy or very light door needs without additional modification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDC6003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePowder-coated cast aluminum body, wrought steel arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor weight\/width\u003c\/td\u003e\n\u003ctd\u003eUp to 150 lbs and 36 in wide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e1 5\/8 in H x 8 7\/8 in W x 2 7\/8 in D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL 3-hour fire rated, ADA compliant, ANSI\/BHMA A156.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle testing\u003c\/td\u003e\n\u003ctd\u003eTested to exceed 1 million cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe LYNN HARDWARE DC6003 is a solid, practical choice for medium-traffic commercial and residential doors that need a fire-rated, corrosion-resistant closer with flexible mounting and hydraulic speed control. It offers strong build quality and safety certifications at a sensible price, making it good value for contractors and property managers; installers who need variable spring strengths or very fine adjustment may want to evaluate fit before purchase.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this closer left- or right-handed?\u003c\/strong\u003e\u003cbr\u003eAnswer. It is non-handed and works on both left and right-handed doors with three mounting options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used on heavy exterior doors?\u003c\/strong\u003e\u003cbr\u003eAnswer. It is rated for doors up to 150 lbs and 36 in wide, so suitable for many exterior doors, but not for very heavy commercial doors above that weight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with installation hardware?\u003c\/strong\u003e\u003cbr\u003eAnswer. Yes, the closer includes all required hardware, a drill hole template, instructions, and an online video to assist installation.\u003c\/p\u003e","brand":"LYNN HARDWARE","offers":[{"title":"Default Title","offer_id":48186051199195,"sku":"B07P9XFYQ6","price":129.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61y8iAmbeQS._AC_SL1500_997dfe4e-37fe-47df-8b94-247a8172ed72.jpg?v=1769515105","url":"https:\/\/gearmusthave.com\/products\/lynn-hardware-medium-duty-automatic-door-closer-silver-durable","provider":"GearMustHave","version":"1.0","type":"link"}