{"product_id":"carrier-fa4anf024005agaa-transformer-h3hww2","title":"OEM Carrier Transformer 40VA 120\/24V for FA4ANF024005AGAA","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V\/24V for Model FA4ANF024005AGAA\u003c\/h1\u003e\u003cp\u003eThis OEM control circuit transformer (part number \u003cstrong\u003eHT01CN236\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier FA4ANF024005AGAA\u003c\/strong\u003e air handler. The transformer steps down line voltage from 120V to 24V AC to power the low-voltage control circuit — including the thermostat, control board, and all relay coils. When the transformer fails, the entire control circuit goes dead: the thermostat display may go blank, the system won't respond to any calls for heating or cooling, and you may detect a burning smell or a blown 3A fuse on the control board.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V | Secondary: 24V AC | Factory-matched impedance and thermal protection | Replaces OEM part number HT01CN236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory OEM transformer is wound to exact Carrier specifications, ensuring proper VA capacity and thermal cutoff protection. Undersized or generic transformers can overheat under load, causing repeated fuse failures and nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm 24V output after install). Photograph or label all wiring connections before removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct factory replacement for the Carrier \u003cstrong\u003eFA4ANF024005AGAA\u003c\/strong\u003e air handler. Always verify your unit's data plate voltage rating and VA requirement before ordering. If you're unsure of fitment, our HVAC parts specialists can verify compatibility before you buy — same-day shipping available on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909560127859,"sku":"CARRIE-FA4ANF024005AGAA-TRANSFORMER-HT01CN236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909560160627,"sku":"CARRIE-FA4ANF024005AGAA-TRANSFORMER-HT01CN236-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-HT01CN236_ea322ccf-f5c5-42af-8087-57c5dfa5dd22.jpg?v=1782938623","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fa4anf024005agaa-transformer-h3hww2","provider":"National HVAC Parts","version":"1.0","type":"link"}