{"product_id":"oem-trane-trr01729-transformer-24v-control-transformer","title":"OEM Trane TRR01729 Transformer — 24V Control Transformer","description":"\u003cp\u003eGenuine OEM Trane \u003cstrong\u003eTRR01729\u003c\/strong\u003e control transformer. It steps line voltage down to 24V to power the thermostat, relays, and control board — when it fails or shorts, you lose all low-voltage control and the system goes completely dead with no thermostat response. Direct factory replacement ensures correct VA rating and voltage for reliable Trane system control.\u003c\/p\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":63083404853619,"sku":"TRN-TRR01729","price":34.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-trane-trr01729-transformer-24v-control-transformer","provider":"National HVAC Parts","version":"1.0","type":"link"}