{"product_id":"carrier-fd3ana018075aaaa-transformer-h4oym7","title":"OEM Carrier Transformer 60VA 230-24V HT01AW230 — FD3ANA018075AAAA","description":"\u003ch1\u003eOEM Carrier Transformer 60VA 230-24V (HT01AW230) for Model FD3ANA018075AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM step-down transformer (part number \u003cstrong\u003eHT01AW230\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier FD3ANA018075AAAA\u003c\/strong\u003e air handler. The transformer converts 230V line voltage down to the 24V signal required to power the control board, thermostat, and all low-voltage safety circuits. When this component fails, the entire control circuit goes dark — your thermostat becomes unresponsive, the system won't call for heat or cooling, and nothing works regardless of thermostat settings. A failed transformer is a common and often overlooked root cause before replacing more expensive components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA rated capacity | 230V primary input | 24V secondary output | OEM part number HT01AW230 | Factory-matched for Carrier FD3ANA018075AAAA air handler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to exact factory VA and voltage specifications, ensuring stable 24V output under full control circuit load. Undersized or off-tolerance generic transformers can trip thermal protection, cause erratic board behavior, or fail prematurely under heating and cooling demand cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm 0V before touching wires). Label all low-voltage wires prior to disconnecting. The transformer mounts inside the air handler cabinet and connects to the control board harness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. 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 specifically for the Carrier \u003cstrong\u003eFD3ANA018075AAAA\u003c\/strong\u003e air handler. Verify your unit's data plate shows a 230V primary \/ 24V secondary transformer requirement and confirm OEM part number HT01AW230 before ordering. Our fitment specialists are available to verify compatibility prior to purchase. Order today and receive same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909521658227,"sku":"CARRIE-FD3ANA018075AAAA-TRANSFORMER-HT01AW230","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909521690995,"sku":"CARRIE-FD3ANA018075AAAA-TRANSFORMER-HT01AW230-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01AW230_20a84615-9608-43b3-87d0-62877cd6462a.jpg?v=1782943187","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fd3ana018075aaaa-transformer-h4oym7","provider":"National HVAC Parts","version":"1.0","type":"link"}