{"product_id":"3l01-230-copeland-comfort-control-white-rodgers-l230-40f","title":"3L01-230 Copeland Comfort Control (White Rodgers) L230-40F","description":"\u003ch1\u003e3L01-230 Copeland Comfort Control (White Rodgers) L230-40F\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\u003e3L01-230 Snap Disc Limit Switch (White-Rodgers \/ Copeland Comfort Control)\u003c\/strong\u003e is an automatic reset temperature safety control designed to protect HVAC, heating, and refrigeration equipment from excessive temperatures. Featuring a \u003cstrong\u003e230°F fixed cut-out temperature\u003c\/strong\u003e and a \u003cstrong\u003e40°F differential\u003c\/strong\u003e, this \u003cstrong\u003eopen-on-rise\u003c\/strong\u003e limit switch interrupts the electrical circuit when temperatures exceed safe operating limits and automatically resets after cooling, helping prevent damage to critical system components.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCross-Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3L01-230\u003c\/li\u003e\n\u003cli\u003e3L01230\u003c\/li\u003e\n\u003cli\u003eL230-40F\u003c\/li\u003e\n\u003cli\u003e60T11 Series\u003c\/li\u003e\n\u003cli\u003eWhite-Rodgers 3L01-230\u003c\/li\u003e\n\u003cli\u003eCopeland Comfort Control 3L01-230\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eDirect OEM\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhite-Rodgers 3L01-230\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\u003eUniversal HVAC Applications\u003c\/li\u003e\n\u003cli\u003eRefrigeration Equipment Manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eUsed in HVAC and refrigeration equipment to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProtect equipment from overheating\u003c\/li\u003e\n\u003cli\u003eOpen the control circuit at 230°F\u003c\/li\u003e\n\u003cli\u003eAutomatically reset after cooling\u003c\/li\u003e\n\u003cli\u003eProtect compressors, heaters, motors, and control circuits\u003c\/li\u003e\n\u003cli\u003ePrevent damage caused by excessive temperatures\u003c\/li\u003e\n\u003cli\u003eMaintain safe equipment operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eRelated Components\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSnap Disc Limit Switch\u003c\/li\u003e\n\u003cli\u003eHigh Limit Control\u003c\/li\u003e\n\u003cli\u003eFan Switch\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\u003eCompressor Contactor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnician Notes\u003c\/h3\u003e\n\u003cp\u003eThe 3L01-230 is an \u003cstrong\u003eautomatic reset, open-on-rise snap disc limit switch\u003c\/strong\u003e. The contacts remain closed during normal operation and open when the sensing surface reaches \u003cstrong\u003e230°F\u003c\/strong\u003e. Once the temperature decreases by approximately \u003cstrong\u003e40°F\u003c\/strong\u003e, the contacts automatically reset and restore circuit operation.\u003c\/p\u003e\n\u003cp\u003eRepeated limit trips frequently indicate restricted airflow, dirty coils, blocked vents, failing blower motors, excessive equipment temperatures, or improper system operation. Always identify and correct the root cause before replacing the switch.\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 temperature\u003c\/li\u003e\n\u003cli\u003eOpen limit circuit fault\u003c\/li\u003e\n\u003cli\u003eIntermittent operation\u003c\/li\u003e\n\u003cli\u003eRepeated safety trips\u003c\/li\u003e\n\u003cli\u003eFurnace or HVAC lockout\u003c\/li\u003e\n\u003cli\u003eNo continuity through switch contacts\u003c\/li\u003e\n\u003cli\u003eFailure to restart properly\u003c\/li\u003e\n\u003cli\u003eReduced system reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect electrical power before servicing.\u003c\/li\u003e\n\u003cli\u003eVerify temperature ratings match the original switch.\u003c\/li\u003e\n\u003cli\u003eConfirm switch action is \"Open on Rise.\"\u003c\/li\u003e\n\u003cli\u003eMount securely to the original sensing surface.\u003c\/li\u003e\n\u003cli\u003eInspect terminals for heat damage or corrosion.\u003c\/li\u003e\n\u003cli\u003eCheck airflow and operating temperatures.\u003c\/li\u003e\n\u003cli\u003eVerify continuity after installation.\u003c\/li\u003e\n\u003cli\u003eTest the unit 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\u003eBlower motor operation\u003c\/li\u003e\n\u003cli\u003eAir filter condition\u003c\/li\u003e\n\u003cli\u003eCoil cleanliness\u003c\/li\u003e\n\u003cli\u003eElectrical terminals\u003c\/li\u003e\n\u003cli\u003eWiring harness condition\u003c\/li\u003e\n\u003cli\u003eControl board diagnostics\u003c\/li\u003e\n\u003cli\u003eCompressor operating temperatures\u003c\/li\u003e\n\u003cli\u003eSupply voltage\u003c\/li\u003e\n\u003cli\u003eVentilation and airflow restrictions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eControls, Temperature, 190 degrees F Fixed Cut-in Temperature, 230 degrees F Fixed Cut-out Temperature, Open on Rise Switch Action, Snap Disc Auto Reset Limit Switch (60T11-610021)\u003c\/span\u003e\u003c\/p\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":45886328537154,"sku":"3L01-230","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot2026-11-02193836.png?v=1793673527","url":"https:\/\/hvacpartstore.com\/products\/3l01-230-copeland-comfort-control-white-rodgers-l230-40f","provider":"HVACpartstore","version":"1.0","type":"link"}