{"product_id":"carrier-pf1mnc048t00aaaa-transformer-h3hwwy","title":"OEM Carrier Transformer 40VA 208\/230V–24V for PF1MNC048T00AAAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 208\/230V–24V (HT01CN241) for Model PF1MNC048T00AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier \u003cstrong\u003eHT01CN241\u003c\/strong\u003e control transformer — the factory-specified replacement for the \u003cstrong\u003eCarrier PF1MNC048T00AAAA\u003c\/strong\u003e fan coil unit. The transformer steps down line voltage (208\/230V primary) to the 24V secondary signal required to power the thermostat, control board, and all low-voltage switching circuits throughout your system. When this component fails, the entire control circuit loses power: your thermostat goes dark, relays won't energize, and neither heating nor cooling will operate — even if all other components are functioning perfectly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 208\/230V Primary | 24V Secondary | 40VA rated | Direct OEM drop-in replacement | Part number HT01CN241\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory-authorized OEM transformer is wound to exact Carrier specifications and tolerances, ensuring stable 24V output under full load. Aftermarket units frequently under-deliver VA capacity, causing intermittent lockouts, nuisance tripping of the control board fuse, and premature failure of low-voltage components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output post-install). Photograph or label all low-voltage wiring before disconnecting. Standard spade or screw-terminal connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty included. In-stock units ship same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits Carrier model \u003cstrong\u003ePF1MNC048T00AAAA\u003c\/strong\u003e fan coil units requiring the HT01CN241 40VA 208\/230V-to-24V control transformer. Verify your unit's data plate voltage rating before ordering — this part is rated for 208\/230V primary input only. Our fitment team is available to confirm compatibility before you order. \u003cstrong\u003eOrder now and ship today!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643328713075,"sku":"CARRIE-PF1MNC048T00AAAA-TRANSFORMER-HT01CN241","price":108.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643328745843,"sku":"CARRIE-PF1MNC048T00AAAA-TRANSFORMER-HT01CN241-GEN","price":95.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01CN241_101365a4-a2df-414a-9fed-60a34ce28e32.jpg?v=1775041531","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pf1mnc048t00aaaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}