{"product_id":"oem-lennox-fan-blower-control-board-kit-46k65","title":"OEM Lennox Fan\/Blower Control Board Kit — 46K65","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e46K65\u003c\/strong\u003e fan blower control board kit is the electronic brain that manages blower operation in your Lennox furnace or air handler. It sequences heating and cooling calls, controls blower on\/off delays, monitors safety inputs, and coordinates fan speed to deliver consistent, efficient airflow. Supplied as a complete kit, it includes the components needed for a clean, reliable replacement.\u003c\/p\u003e\u003cp\u003eA failing \u003cstrong\u003e46K65\u003c\/strong\u003e control board can cause a blower that won't start or won't shut off, intermittent operation, erratic fan speeds, blank or flashing diagnostic LEDs, or a system that ignites but never delivers air. Voltage spikes, heat stress, and aged relays or solder joints are common causes of board failure.\u003c\/p\u003e\u003cp\u003eUsing the OEM Lennox \u003cstrong\u003e46K65\u003c\/strong\u003e kit ensures the exact firmware, relay ratings, terminal layout, and plug connections your system expects. Universal boards frequently require rewiring and may not support Lennox-specific timing or safety logic, risking improper operation. The factory \u003cstrong\u003e46K65\u003c\/strong\u003e restores correct blower control and protects the reliability of your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081105555827,"sku":"LNX-46K65","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fan-LNX-46K65.jpg?v=1783760929","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-fan-blower-control-board-kit-46k65","provider":"National HVAC Parts","version":"1.0","type":"link"}