{"product_id":"carrier-ch13na03100gabaa-transformer-h4oyjb","title":"OEM Carrier Transformer 40VA 120V\/24V for CH13NA03100GABAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA for Model CH13NA03100GABAA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier CH13NA03100GABAA\u003c\/strong\u003e split-system condenser. The transformer steps down line voltage (120V primary) to 24V AC, powering the entire low-voltage control circuit — including the thermostat, contactor coil, and any safety switches. When the transformer fails, the system goes completely silent: no thermostat response, no contactor pull-in, and no fan operation. A failed transformer is often indicated by a blown fuse on the control board or a shorted secondary winding.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 120V primary \/ 24V secondary | OEM part number HT01AW229 | Factory-matched output voltage for reliable low-voltage control circuit operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier OEM transformer, wound and insulated to factory specification. Generic transformers frequently under-deliver VA capacity under load, causing nuisance lockouts and premature contactor coil failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and verify zero voltage before handling. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label all wiring connections before removal and always check for a shorted load that may have caused the original failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-matched for the Carrier \u003cstrong\u003eCH13NA03100GABAA\u003c\/strong\u003e condenser unit. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate before ordering. Our HVAC parts specialists are available to confirm fitment — order with confidence and get back up and running today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909635723635,"sku":"CARRIE-CH13NA03100GABAA-TRANSFORMER-HT01AW229","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909635756403,"sku":"CARRIE-CH13NA03100GABAA-TRANSFORMER-HT01AW229-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01AW229_3c443c41-ffd7-4d38-b26b-88d5689afe76.jpg?v=1782940754","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch13na03100gabaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}