{"product_id":"oem-lennox-transformer-54g52","title":"OEM Lennox Transformer — 54G52","description":"\u003cp\u003eThe Lennox \u003cstrong\u003e54G52\u003c\/strong\u003e transformer is a genuine OEM component that converts incoming line voltage down to the low-voltage control power (typically 24V) required by your thermostat, control board, contactors, and relays. It is the backbone of the low-voltage circuit — every heating and cooling command your Lennox system executes depends on this transformer delivering reliable, regulated power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e a dead or blank thermostat, a system that won't respond to any call for heat or cool, a low-voltage fuse that blows repeatedly, buzzing from the control panel, or a burnt smell near the transformer. When it fails open or shorts internally, the unit will not operate even though line power is still present.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e the \u003cstrong\u003e54G52\u003c\/strong\u003e is built to Lennox's exact VA rating, voltage specs, and mounting dimensions. Generic replacements with the wrong VA capacity may overload or fail to power all accessories, causing intermittent and hard-to-diagnose faults. The factory-correct Lennox part ensures a precise fit and rated performance. In stock and ships same day.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081102967155,"sku":"LNX-54G52","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-LNX-54G52.jpg?v=1783764009","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-transformer-54g52","provider":"National HVAC Parts","version":"1.0","type":"link"}