{"product_id":"oem-lennox-transformer-46w11","title":"OEM Lennox Transformer — 46W11","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e46W11\u003c\/strong\u003e transformer steps line-voltage power down to the low-voltage current that runs your Lennox control circuit. It supplies stable 24V power to the thermostat, control board, relays, and contactor coils — the signals that tell your system when to call for heating or cooling. Built to Lennox specifications, the \u003cstrong\u003e46W11\u003c\/strong\u003e provides the correct primary and secondary voltage and VA rating your unit was engineered around.\u003c\/p\u003e\u003cp\u003eA failed transformer usually takes the whole control circuit down with it. Common symptoms include a dead or unresponsive thermostat, a system that won't start a heating or cooling cycle, contactors and relays that won't pull in, repeatedly blown low-voltage fuses, or a scorched, buzzing, or burnt-smelling transformer. These point to shorted windings or overload on the secondary side.\u003c\/p\u003e\u003cp\u003eOEM matters here because control voltage must be precise. An undersized or off-spec transformer can leave contactor coils under-energized and cause erratic, hard-to-diagnose faults across the system. The Lennox \u003cstrong\u003e46W11\u003c\/strong\u003e is manufactured and tested to deliver clean, correctly rated power, protecting your control board and preserving warranty coverage. In stock and ready to ship same day before 3PM CST.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081105391987,"sku":"LNX-46W11","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-LNX-46W11.jpg?v=1783764002","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-transformer-46w11","provider":"National HVAC Parts","version":"1.0","type":"link"}