{"product_id":"carrier-kcaba0401hpd-transformer-h4oym7","title":"OEM Carrier Transformer 60VA 230-24V for KCABA0401HPD — HT01AW230","description":"\u003ch1\u003eOEM Carrier 60VA Control Transformer 230-24V for Model KCABA0401HPD\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier transformer (part# \u003cstrong\u003eHT01AW230\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eKCABA0401HPD\u003c\/strong\u003e fan coil unit. The transformer steps down 230V line voltage to the 24V AC signal that powers your thermostat, control board, and all low-voltage switching circuits. When this transformer fails, the entire control circuit goes dead — your thermostat will appear blank or unresponsive, and the unit will not start, heat, or cool regardless of system demand. A faulty transformer is often mistaken for a bad thermostat or control board, making it a critical first diagnostic check.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA rating | 230V primary input | 24V secondary output | OEM part number HT01AW230 | Factory-matched for KCABA0401HPD fan coil units\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 factory control board. Undersized or off-tolerance generic transformers can overheat, trip their internal thermal fuse, or deliver unstable 24V output that causes nuisance lockouts and board damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power before servicing. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or terminal connectors. Confirm 230V primary and 24V secondary with a multimeter before energizing. Photograph all wiring prior to disconnecting the old transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our HVAC parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eKCABA0401HPD\u003c\/strong\u003e fan coil unit. Verify your unit's data plate shows a 230V primary \/ 24V secondary control transformer requirement before ordering. If you have questions about fitment, our parts specialists will confirm compatibility before you buy — same-day shipping available on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909314630003,"sku":"CARRIE-KCABA0401HPD-TRANSFORMER-HT01AW230","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909314662771,"sku":"CARRIE-KCABA0401HPD-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_42a24b9f-3909-442f-b773-716ab11803c2.jpg?v=1782943182","url":"https:\/\/nationalhvacparts.com\/products\/carrier-kcaba0401hpd-transformer-h4oym7","provider":"National HVAC Parts","version":"1.0","type":"link"}