{"product_id":"carrier-pf1mnc036005aaaa-transformer-h3hwwy","title":"OEM Carrier Transformer 40VA 208\/230V–24V for PF1MNC036005AAAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 208\/230V–24V for Model PF1MNC036005AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier control transformer (part number \u003cstrong\u003eHT01CN241\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eCarrier PF1MNC036005AAAA\u003c\/strong\u003e fan coil and air handler systems. The transformer steps down line voltage from 208\/230V to a safe 24V AC signal that powers your entire low-voltage control circuit — thermostat, contactor coil, reversing valve, and control board alike. When this transformer fails, the 24V control circuit goes dead and the entire system becomes unresponsive: no heating, no cooling, no fan response from the thermostat. A failed transformer is often confirmed with a multimeter by measuring 0V AC on the secondary side with line voltage present at the primary.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 208\/230V Primary | 24V Secondary | 40VA rated | Direct OEM factory replacement | Part No. HT01CN241\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part, manufactured to exact Carrier specifications for proper VA headroom, thermal protection class, and terminal compatibility. Generic transformers may lack built-in thermal cutoffs or carry insufficient VA capacity, leading to premature failure or nuisance tripping.\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, multimeter, wire stripper. Label all low-voltage wires before disconnecting. Verify incoming line voltage matches transformer primary tap (208V or 230V) before powering up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct drop-in replacement for the \u003cstrong\u003eCarrier PF1MNC036005AAAA\u003c\/strong\u003e fan coil unit. Always verify your existing transformer's voltage rating and VA on the unit data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643337298291,"sku":"CARRIE-PF1MNC036005AAAA-TRANSFORMER-HT01CN241","price":108.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643337331059,"sku":"CARRIE-PF1MNC036005AAAA-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_ed3cb57b-fa73-4df3-b263-f95d7a2ebc05.jpg?v=1775041518","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pf1mnc036005aaaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}