{"product_id":"3l05-13-copeland-comfort-control-white-rodgers-250-to-290f-adjustable-temperature","title":"3L05-13 Copeland Comfort Control (White Rodgers), 250 to 290F Adjustable Temperature","description":"\u003ch1\u003e3L05-13 Copeland Comfort Control (White Rodgers), 250 to 290F Adjustable Temperature \u003c\/h1\u003e\n\u003cstyle\u003e\na {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003e3L05-13 Adjustable Snap Disc Limit Switch (White-Rodgers \/ Copeland Comfort Control)\u003c\/strong\u003e is an automatic reset temperature safety control designed for HVAC, heating, commercial, and industrial equipment requiring high-temperature overheat protection. Featuring an \u003cstrong\u003eadjustable temperature range from 250°F to 290°F\u003c\/strong\u003e, this \u003cstrong\u003eSPST open-on-rise\u003c\/strong\u003e limit switch interrupts the electrical circuit when temperatures exceed the selected setpoint and automatically resets after cooling, helping protect critical equipment from heat-related damage.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCross-Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3L05-13\u003c\/li\u003e\n\u003cli\u003e3L0513\u003c\/li\u003e\n\u003cli\u003eWhite-Rodgers 3L05-13\u003c\/li\u003e\n\u003cli\u003eCopeland Comfort Control 3L05-13\u003c\/li\u003e\n\u003cli\u003e74T11 Series Adjustable Limit Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eDirect OEM\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhite-Rodgers 3L05-13\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatible Brands\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhite-Rodgers\u003c\/li\u003e\n\u003cli\u003eEmerson\u003c\/li\u003e\n\u003cli\u003eCopeland\u003c\/li\u003e\n\u003cli\u003eYork\u003c\/li\u003e\n\u003cli\u003eColeman\u003c\/li\u003e\n\u003cli\u003eLuxaire\u003c\/li\u003e\n\u003cli\u003eGoodman\u003c\/li\u003e\n\u003cli\u003eRheem\u003c\/li\u003e\n\u003cli\u003eUniversal HVAC Applications\u003c\/li\u003e\n\u003cli\u003eCommercial Heating Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eUsed in HVAC, heating, and industrial equipment to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvide adjustable high-temperature protection\u003c\/li\u003e\n\u003cli\u003eOpen the circuit at a user-selected temperature between 250°F and 290°F\u003c\/li\u003e\n\u003cli\u003eAutomatically reset after cooling\u003c\/li\u003e\n\u003cli\u003eProtect electric heaters, heat exchangers, motors, and control circuits\u003c\/li\u003e\n\u003cli\u003ePrevent equipment damage due to overheating\u003c\/li\u003e\n\u003cli\u003eSupport OEM and replacement service applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eRelated Components\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable Limit Switch\u003c\/li\u003e\n\u003cli\u003eSnap Disc Thermostat\u003c\/li\u003e\n\u003cli\u003eHigh Limit Control\u003c\/li\u003e\n\u003cli\u003eFan \u0026amp; Limit Control\u003c\/li\u003e\n\u003cli\u003eFurnace Control Board\u003c\/li\u003e\n\u003cli\u003eBlower Relay\u003c\/li\u003e\n\u003cli\u003eTransformer\u003c\/li\u003e\n\u003cli\u003eTemperature Sensor\u003c\/li\u003e\n\u003cli\u003eSafety Cutoff Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnician Notes\u003c\/h3\u003e\n\u003cp\u003eThe 3L05-13 is an \u003cstrong\u003eautomatic reset SPST limit switch\u003c\/strong\u003e with an \u003cstrong\u003eadjustable operating range of 250°F to 290°F\u003c\/strong\u003e. The switch remains closed during normal operation and opens on temperature rise when the selected setpoint is reached. After temperatures fall below the reset threshold, the contacts automatically close and restore normal operation.\u003c\/p\u003e\n\u003cp\u003eThis control is commonly used in high-temperature HVAC, industrial heating, process equipment, and specialty heating applications where adjustable overtemperature protection is required.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Symptoms of Failure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEquipment shuts down on high-limit fault\u003c\/li\u003e\n\u003cli\u003eFrequent temperature safety trips\u003c\/li\u003e\n\u003cli\u003eOpen safety circuit\u003c\/li\u003e\n\u003cli\u003eIntermittent operation\u003c\/li\u003e\n\u003cli\u003eNo continuity through switch contacts\u003c\/li\u003e\n\u003cli\u003eFailure to reset properly\u003c\/li\u003e\n\u003cli\u003eEquipment lockout conditions\u003c\/li\u003e\n\u003cli\u003eReduced heating performance\u003c\/li\u003e\n\u003cli\u003eNuisance shutdowns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect power before servicing.\u003c\/li\u003e\n\u003cli\u003eVerify the required temperature range before adjustment.\u003c\/li\u003e\n\u003cli\u003eConfirm switch action is \u003cstrong\u003eOpen on Rise\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSet the desired operating temperature before installation.\u003c\/li\u003e\n\u003cli\u003eMount securely to the original sensing surface.\u003c\/li\u003e\n\u003cli\u003eInspect terminals for corrosion or heat damage.\u003c\/li\u003e\n\u003cli\u003eVerify continuity and operation after installation.\u003c\/li\u003e\n\u003cli\u003eTest equipment through a complete operating cycle.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003eRecommended Inspection Items\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeater element condition\u003c\/li\u003e\n\u003cli\u003eBlower motor operation\u003c\/li\u003e\n\u003cli\u003eAirflow restrictions\u003c\/li\u003e\n\u003cli\u003eHeat exchanger condition\u003c\/li\u003e\n\u003cli\u003eTemperature rise across equipment\u003c\/li\u003e\n\u003cli\u003eElectrical terminals\u003c\/li\u003e\n\u003cli\u003eWiring harness condition\u003c\/li\u003e\n\u003cli\u003eControl board operation\u003c\/li\u003e\n\u003cli\u003eVentilation pathways\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eControls, Temperature, 250 to 290 degrees F Adjustable Temperature Range, 40 degrees F Differential Temperature, SPST Open on Rise Switch Action, Snap Disc Auto Reset Limit Switch (74T11-310730)\u003c\/span\u003e\u003c\/p\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":39680512360514,"sku":"3L05-13","price":30.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/products\/th-2022-01-24T014805.879_0bf344e9-ad48-411f-8085-fe711801ad5d.jpg?v=1643014789","url":"https:\/\/hvacpartstore.com\/products\/3l05-13-copeland-comfort-control-white-rodgers-250-to-290f-adjustable-temperature","provider":"HVACpartstore","version":"1.0","type":"link"}