{"product_id":"carrier-pf4mna061t00abaa-transformer-h3hwwy","title":"OEM Carrier Transformer 40VA 208\/230V–24V for PF4MNA061T00ABAA","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 208\/230V–24V for Model PF4MNA061T00ABAA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier transformer (part number \u003cstrong\u003eHT01CN241\u003c\/strong\u003e) is the factory-specified 40VA step-down transformer for the \u003cstrong\u003eCarrier PF4MNA061T00ABAA\u003c\/strong\u003e air handler. Its job is to step the line voltage of 208\/230V AC down to the 24V that powers your entire control circuit — thermostats, relays, contactors, and zone boards. When this transformer fails, the 24V control circuit goes dead: your thermostat goes blank, the system won't respond to any call for heating or cooling, and no components energize at all. It is frequently misdiagnosed as a failed thermostat or control board before the transformer is tested.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA capacity | 208\/230V primary | 24V secondary | OEM part number HT01CN241 | Factory-matched output tolerance for reliable low-voltage control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer built to exact factory specifications. Generic transformers frequently run off-voltage or under-rated VA capacity, risking nuisance tripping, fuse failures, and long-term damage to connected control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label all wires before disconnecting. Verify 24V output at secondary terminals before reassembling panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock orders ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the \u003cstrong\u003eCarrier PF4MNA061T00ABAA\u003c\/strong\u003e air handler. Verify your existing transformer's primary voltage (208\/230V) and VA rating (40VA) on the data plate before ordering. Our fitment team is available to confirm compatibility — just reach out before you order and we'll verify the part for your exact unit.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643272876403,"sku":"CARRIE-PF4MNA061T00ABAA-TRANSFORMER-HT01CN241","price":108.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643272909171,"sku":"CARRIE-PF4MNA061T00ABAA-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_44b9d9b5-5a5c-4ac5-be19-644bcf9d7d97.jpg?v=1775041598","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pf4mna061t00abaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}