{"product_id":"oem-lennox-wire-harness-12w44","title":"OEM Lennox Wire Harness — 12W44","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e12W44\u003c\/strong\u003e wire harness provides the factory-engineered electrical backbone that connects the control board, motors, sensors, and switches throughout your Lennox HVAC unit. Constructed to Lennox's original design with the correct wire colors, gauges, and keyed connectors, it drops directly into place and restores the precise signal and power paths your system was designed to use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A failing harness can cause intermittent operation, circuits that won't power on, recurring control-board fault codes, or a complete no-start condition. Melted or cracked insulation, corroded and burnt terminals, and connectors worked loose by years of heat and vibration are the most common reasons a \u003cstrong\u003e12W44\u003c\/strong\u003e harness needs replacing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Aftermarket wiring kits often rely on mismatched connectors or thinner wire that introduces resistance, voltage drop, and unreliable connections capable of damaging expensive components. The OEM Lennox \u003cstrong\u003e12W44\u003c\/strong\u003e ensures a true plug-and-play fit, proper amperage handling, and dependable protection for the parts it links. Get your Lennox equipment back to safe, consistent operation with the exact harness the factory specified.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081141567859,"sku":"LNX-12W44","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-wiring-harness-multipin-LNX-12W44.jpg?v=1783764141","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-wire-harness-12w44","provider":"National HVAC Parts","version":"1.0","type":"link"}