{"product_id":"carrier-ch13na03600gaaba-transformer-h4oyjb","title":"OEM Carrier Transformer 40VA 120V\/24V for CH13NA03600GAABA","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V\/24V for Model CH13NA03600GAABA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement control transformer (part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CH13NA03600GAABA\u003c\/strong\u003e split-system air conditioner. The transformer steps down line voltage from 120V to the 24V signal required by your thermostat, contactor coil, and all low-voltage control circuitry. When this component fails, the entire control circuit goes dark — the thermostat loses power, the system won't respond to any calls for cooling, and the unit sits completely unresponsive despite the disconnect being live.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Single-phase | OEM part number HT01AW229 | Factory-matched to Carrier CH13NA03600GAABA control board wiring harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound and insulated to Carrier's exact VA and thermal specs. Generic units frequently underperform under sustained load, causing nuisance tripping of the secondary fuse or premature burnout — particularly in high-run-time climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect AND the breaker before servicing. Tools needed: flathead and Phillips screwdriver, needle-nose pliers, multimeter (verify 0V before touching secondary terminals). Photograph low-voltage wiring connections before removal. Installation typically takes 20–30 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eCH13NA03600GAABA\u003c\/strong\u003e 3-ton single-stage R-410A condenser. Always verify your existing transformer's VA rating and primary\/secondary voltages against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — reach out before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909633790323,"sku":"CARRIE-CH13NA03600GAABA-TRANSFORMER-HT01AW229","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909633823091,"sku":"CARRIE-CH13NA03600GAABA-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_3bdd9deb-185c-436b-89f7-4faf16ecbb68.jpg?v=1782940759","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch13na03600gaaba-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}