{"product_id":"oem-lennox-heat-exchanger-assembly-small-3t-with-vest-panel-12k41","title":"OEM Lennox Heat Exchanger Assembly Small 3T With Vest Panel — 12K41","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 12K41\u003c\/strong\u003e is a genuine OEM heat exchanger assembly designed specifically for small 3-ton Lennox furnace configurations, and includes the integrated vest panel for a complete, factory-correct installation. This component plays a vital role in transferring heat to your home's air supply while preventing harmful combustion gases from entering the living space. Signs of failure include visible cracks, carbon monoxide alarms, overheating, or unexplained furnace shutdowns — all of which require immediate heat exchanger inspection and replacement.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081063448947,"sku":"LNX-12K41","price":399.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-heat-exchanger-assembly-small-3t-with-vest-panel-12k41","provider":"National HVAC Parts","version":"1.0","type":"link"}