{"product_id":"carrier-fd3ana030006aaaa-transformer-h4oym7","title":"OEM Carrier Transformer 60VA 230-24V for FD3ANA030006AAAA","description":"\u003ch1\u003eOEM Carrier Transformer 60VA 230-24V for Model FD3ANA030006AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM control circuit transformer (part# HT01AW230) is the factory-specified replacement for the \u003cstrong\u003eCarrier FD3ANA030006AAAA\u003c\/strong\u003e fan coil unit. The transformer steps down 230V line voltage to the 24V AC signal that powers your thermostat, control board, zone valves, and all low-voltage safety circuits. When this transformer fails, the entire control circuit goes dead — your thermostat goes blank, the system won't respond to any calls for heating or cooling, and no error codes will appear because the board itself has no power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA output capacity | 230V primary input | 24V secondary output | OEM part number HT01AW230 | Factory-matched winding and core specifications for reliable long-term operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances required by the Carrier FD3ANA030006AAAA control board. Undersized or off-tolerance generic transformers can overheat, trip thermal cutoffs, and damage downstream control boards — costing far more than the transformer itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter, and wire nuts. Photograph all existing low-voltage wiring connections before removing the old unit. Verify 24V output with a multimeter before closing the panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eFD3ANA030006AAAA\u003c\/strong\u003e fan coil unit. Confirm your unit's data plate shows a 230V primary input requirement before ordering — some similar fan coil variants use a 120V primary transformer. If you have any fitment questions, our HVAC parts specialists are available to verify compatibility before you buy. Order today and receive same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909521035635,"sku":"CARRIE-FD3ANA030006AAAA-TRANSFORMER-HT01AW230","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909521068403,"sku":"CARRIE-FD3ANA030006AAAA-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_7d182cea-e937-4c52-a5e7-132ae59f9933.jpg?v=1782943167","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fd3ana030006aaaa-transformer-h4oym7","provider":"National HVAC Parts","version":"1.0","type":"link"}