{"product_id":"carrier-pf4mna061000abaa-transformer-h3hwwy","title":"OEM Carrier 40VA Transformer 208\/230V–24V for PF4MNA061000ABAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 208\/230V–24V for Model PF4MNA061000ABAA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier control transformer (part #HT01CN241) is the factory-specified replacement for the \u003cstrong\u003eCarrier PF4MNA061000ABAA\u003c\/strong\u003e air handler. The transformer steps down 208\/230V line voltage to the 24V low-voltage signal that powers your thermostat, control board, and zone valves. When this component fails, the entire control circuit goes dead — your thermostat goes blank, the system won't respond to calls for heating or cooling, and no fault codes are generated because the board itself loses power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 208\/230V Primary | 24V Secondary | 40VA power rating | Direct OEM drop-in replacement for part #HT01CN241\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to Carrier's exact VA and voltage specifications, ensuring stable 24V output under full control load. Generic units often run under-spec in VA capacity, causing voltage sag that triggers nuisance lockouts and premature board failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before opening the air handler cabinet. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify 0V before touching wiring). Photograph all wire connections before removing the old transformer. Standard spade and wire-nut connections make reinstallation straightforward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship same business day when ordered by 5 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for the \u003cstrong\u003eCarrier PF4MNA061000ABAA\u003c\/strong\u003e air handler. Verify your unit's data plate lists a 208\/230V primary and 24V secondary transformer before ordering — mixing voltage specs will damage the control board. Have your model and serial number ready and our team will confirm fitment before your order ships.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643274809715,"sku":"CARRIE-PF4MNA061000ABAA-TRANSFORMER-HT01CN241","price":108.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643274842483,"sku":"CARRIE-PF4MNA061000ABAA-TRANSFORMER-HT01CN241-GEN","price":95.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01CN241_08f8a9be-12c1-4591-9959-5728e2bc75f3.jpg?v=1775016417","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pf4mna061000abaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}