{"product_id":"20803","title":"Limit Control Switch Replacement for Honeywell L4064B2236 – NBK-20803","description":"\u003ch2\u003eLimit Control Switch Replacement for Honeywell L4064B2236 – NBK-20803\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBK-20803 Limit Control Switch\u003c\/strong\u003e is a direct replacement for \u003cstrong\u003eHoneywell L4064B2236\u003c\/strong\u003e. This control switch helps regulate system temperature and provides critical safety protection by opening or closing circuits at designated temperature settings.\u003c\/p\u003e\n\u003cp\u003eCommonly used in furnaces, boilers, and HVAC systems, this limit control helps prevent overheating and ensures proper blower and burner operation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Compatible with Honeywell L4064B2236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Regulation:\u003c\/strong\u003e Monitors and controls system temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Protection:\u003c\/strong\u003e Helps prevent overheating conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHVAC Application:\u003c\/strong\u003e Suitable for furnaces and heating systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built for reliable long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 20803\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e HVAC, Miscellaneous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Brand:\u003c\/strong\u003e Honeywell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces OEM:\u003c\/strong\u003e L4064B2236\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirect Replacement For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHoneywell:\u003c\/strong\u003e L4064B2236\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose NBK-20803?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBK-20803 Limit Control Switch\u003c\/strong\u003e helps maintain safe operating temperatures within HVAC systems, protecting equipment from heat-related damage and ensuring dependable performance.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect power before servicing the unit.\u003c\/li\u003e\n\u003cli\u003eConfirm temperature rating and settings match the original control.\u003c\/li\u003e\n\u003cli\u003eMount securely to ensure accurate temperature sensing.\u003c\/li\u003e\n\u003cli\u003eTest system operation after installation.\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended when adjusting temperature settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePairs Well With\u003c\/h3\u003e\n\u003cp\u003eBlower Motors, Ignition Modules, Gas Valves, Thermostats, Aquastats\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIAL ORDER NOTICE:\u003c\/strong\u003e This item is sourced through our special order program. Please allow 1–2 business days for processing prior to shipment.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52401227432304,"sku":"SO-20803","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/4463\/3444\/files\/20803-L4064B2236.webp?v=1771197171","url":"https:\/\/total-hearth.com\/products\/20803","provider":"Total Hearth","version":"1.0","type":"link"}