{"product_id":"liftmaster-k71-b208","title":"LiftMaster K71-B208 Internal Brake Solenoid Service Kit — 208V","description":"\u003cp\u003e\u003cstrong\u003eThe LiftMaster K71-B208 identifies the 208V internal brake solenoid service item for the matching commercial operator brake arrangement. The supplier describes a solenoid kit; this does not establish a complete brake assembly. Match the operator, brake circuit and exact service reference before ordering. Confirm the currently supplied solenoid and associated pieces rather than assuming that friction discs, hubs or every brake linkage component are included.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eCompatibility — Models, Versions and Exclusions\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel or selection point\u003c\/th\u003e\n\u003cth\u003eCompatibility requirement\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e208V brake application\u003c\/td\u003e\n\u003ctd\u003eUse only where the approved service information specifies this reference.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther brake voltages\u003c\/td\u003e\n\u003ctd\u003eDo not treat 208V and 230V references as interchangeable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete brake overhaul\u003c\/td\u003e\n\u003ctd\u003eThis solenoid reference does not establish a complete brake-mechanism package.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther brake designs\u003c\/td\u003e\n\u003ctd\u003eExternal brake assemblies or different operator revisions need their own references.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIdentify the Assembly and Plan the Repair\u003c\/h2\u003e\u003cp\u003eA brake complaint can involve electrical actuation, worn friction parts, incorrect adjustment or a mechanical drive condition. Have the technician inspect the entire approved brake arrangement before choosing a kit. A replacement solenoid or service kit cannot compensate for an unsafe door, damaged drive or incorrect brake setup.\u003c\/p\u003e\u003cp\u003eConfirm the voltage on the brake component and the operator wiring diagram rather than inferring it from a nearby supply panel. Commercial equipment can contain circuits with different ratings. A historical brake-kit drawing can show components beyond the current solenoid service item. Have the supplier confirm the exact current package rather than assuming every brake component shown together is supplied under this reference.\u003c\/p\u003e\u003cp\u003eAn electrical symptom does not identify the failed component by itself. Have qualified service personnel inspect the supply, wiring, connections and equipment condition before replacing parts. Record existing labels and terminal references with power safely isolated. A replacement should restore the documented circuit arrangement; it should not be used to change operating voltage, defeat a protective function or compensate for a mechanical load that the equipment cannot safely move.\u003c\/p\u003e\u003ch2\u003eSpecifications and Product Identification\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrdering reference\u003c\/td\u003e\n\u003ctd\u003eK71-B208\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService function\u003c\/td\u003e\n\u003ctd\u003eInternal brake solenoid service item\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage designation\u003c\/td\u003e\n\u003ctd\u003e208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eExact commercial operator brake configuration must match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage verification\u003c\/td\u003e\n\u003ctd\u003eConfirm the current kit component inventory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRecord the operator model, supply configuration and brake label.\u003c\/li\u003e\n\u003cli\u003eVerify the 208V brake service requirement.\u003c\/li\u003e\n\u003cli\u003eIdentify whether the repair needs a full kit or an individual component.\u003c\/li\u003e\n\u003cli\u003eConfirm brake adjustment and final holding\/function tests with the service instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Contents and Separate Requirements\u003c\/h2\u003e\u003cp\u003eThe offer identifies the K71-B208 internal brake solenoid service item, described by the supplier as a kit. Confirm the supplied solenoid, linkage and mounting pieces. Do not assume a complete brake, friction discs, hub or every historical brake-kit component is included. A complete operator, door counterbalance repair and unrelated electrical components remain separate requirements.\u003c\/p\u003e\u003ch2 class=\"safety-warning\"\u003eSafety Warnings — Read Before Installation or Service\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWARNING: Electrical service can expose hazardous voltage and moving equipment. Use qualified service personnel and electrical personnel where required.\u003c\/li\u003e\n\u003cli\u003eDisconnect every applicable mains, battery and auxiliary supply before work. Follow the equipment instructions for stored energy and safe isolation.\u003c\/li\u003e\n\u003cli\u003eDo not bypass grounding, overload protection, monitored safety devices or fire-control functions to make the equipment operate. Diagnose the underlying fault.\u003c\/li\u003e\n\u003cli\u003eRestore covers and wiring protection, then complete the model-specific functional and safety checks before returning the installation to normal use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated Products and Important Differences\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-photocell-kit-indoor-only-for-30-wide-openings\"\u003eCPS-U monitored photo eyes\u003c\/a\u003e — separate protection devices for approved commercial-door controls; match the operator and environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-extended-duty-trolley-operator\"\u003eTDC12X1BMC MAXUM trolley operator\u003c\/a\u003e — a complete-operator comparison, not evidence that this legacy service part fits MAXUM.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs 208V interchangeable with 230V?\u003c\/h3\u003e\u003cp\u003eDo not assume so. Select the exact voltage and service reference approved for the installed brake circuit.\u003c\/p\u003e\u003ch3\u003eIs this a complete brake assembly?\u003c\/h3\u003e\u003cp\u003eThe manufacturer identifies an internal brake solenoid, and the supplier describes a solenoid kit. Confirm current contents; a complete brake mechanism is not established as included.\u003c\/p\u003e\u003ch3\u003eWill this repair a falling or unbalanced door?\u003c\/h3\u003e\u003cp\u003eDo not operate unsafe equipment. Have the door, counterbalance and brake system evaluated by qualified personnel.\u003c\/p\u003e\u003ch3\u003eIs adjustment still necessary after replacement?\u003c\/h3\u003e\u003cp\u003eFollow the equipment-specific brake setup and testing instructions. Replacing parts does not remove those commissioning requirements.\u003c\/p\u003e\u003ch2\u003eNeed Help Confirming the Right Product?\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/garage-doorparts.com\/pages\/contact\"\u003eContact Garage-DoorParts.com before ordering\u003c\/a\u003e. Send the full equipment model, readable part labels and photographs of the installed assembly. Include the dimensions, electrical configuration or accessory details relevant to your project so the listing can be checked against the actual installation.\u003c\/p\u003e","brand":"Controlled products","offers":[{"title":"Default Title","offer_id":60723980960030,"sku":"K71-B208","price":205.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/2781\/5710\/files\/k71-b208.png?v=1793245320","url":"https:\/\/garage-doorparts.com\/products\/liftmaster-k71-b208","provider":"garage-doorparts.com","version":"1.0","type":"link"}