{"product_id":"lennox-78h11-defrost-termination-switch-thermostat-l70-35f","title":"Lennox 78H11 Defrost Termination Switch\/Thermostat, L70-35F","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eLennox 78H11\u003c\/strong\u003e is a \u003cstrong\u003eDefrost Termination Switch\/Thermostat\u003c\/strong\u003e designed to regulate and terminate the defrost cycle in compatible Lennox HVAC systems. This component ensures efficient operation by monitoring temperature conditions and signaling the end of the defrost cycle at the appropriate threshold.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 78H11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Lennox\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Defrost Termination Switch \/ Thermostat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Designation:\u003c\/strong\u003e L70-35F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTermination Temperature:\u003c\/strong\u003e 70°F (cut-out)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCut-in Temperature:\u003c\/strong\u003e 35°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFunction \u0026amp; Purpose\u003c\/h3\u003e\n\u003cp\u003eThis defrost thermostat is responsible for \u003cstrong\u003eterminating the defrost cycle\u003c\/strong\u003e once the coil reaches the designated cut-out temperature of \u003cstrong\u003e70°F\u003c\/strong\u003e. It will automatically reset and allow the defrost cycle to reinitiate when temperatures drop back down to \u003cstrong\u003e35°F\u003c\/strong\u003e, ensuring your system runs efficiently and prevents unnecessary energy consumption or equipment damage.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis is a \u003cstrong\u003egenuine Lennox OEM replacement part\u003c\/strong\u003e intended for use in Lennox heating and cooling systems that require a defrost termination switch. Always verify compatibility with your specific unit model before installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\u003cp\u003eA properly functioning defrost termination thermostat is critical to the overall performance of your HVAC system. A faulty defrost switch can result in:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIce buildup on the evaporator coil\u003c\/li\u003e\n  \u003cli\u003eReduced system efficiency and airflow\u003c\/li\u003e\n  \u003cli\u003eIncreased energy consumption\u003c\/li\u003e\n  \u003cli\u003ePotential damage to system components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReplacing a defective defrost thermostat with the correct \u003cstrong\u003eLennox 78H11\u003c\/strong\u003e helps restore optimal system performance and protects your equipment from long-term damage.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":51553286521138,"sku":"78H11","price":99.39,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/products\/lennox-78h11-defrost-termination-switch-thermostat-l70-35f","provider":"Malachy Parts+","version":"1.0","type":"link"}