{"product_id":"oem-lennox-defrost-control-board-16v38","title":"OEM Lennox Defrost Control Board — 16V38","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e16V38\u003c\/strong\u003e defrost control board manages the defrost cycle on your Lennox heat pump, monitoring coil temperature and run time to reverse the system and melt frost from the outdoor coil. It coordinates the reversing valve, fan, and auxiliary heat so the unit sheds ice efficiently and returns to heating without wasting energy or icing over.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A faulty defrost board often causes a heat pump that ices up and stays frosted, defrost cycles that run too long or never initiate, the outdoor fan or reversing valve failing to switch on cue, no heat or intermittent heating, tripped safeties, or error codes on the diagnostic LEDs. Weak heating during cold, humid weather is a classic sign.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e16V38\u003c\/strong\u003e is programmed with the timing, sensor thresholds, and relay logic specific to your Lennox equipment. Aftermarket boards can mistime defrost, mis-stage auxiliary heat, or damage the reversing valve and compressor. Installing the factory board ensures correct sequencing, dependable cold-weather performance, and full compatibility with your Lennox system.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081138422131,"sku":"LNX-16V38","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-defrost-LNX-16V38.jpg?v=1783760051","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-defrost-control-board-16v38","provider":"National HVAC Parts","version":"1.0","type":"link"}