{"product_id":"carrier-pf4mna060t00aaaa-transformer-h3hwwy","title":"OEM Carrier Transformer 120V–24V 40VA for PF4MNA060T00AAAA","description":"\u003ch1\u003eOEM Carrier Transformer 120V–24V 40VA for Model PF4MNA060T00AAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01CN241\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PF4MNA060T00AAAA\u003c\/strong\u003e air handler. The transformer steps down 120V line voltage to the 24V AC signal that powers your entire low-voltage control circuit — including the thermostat, control board, contactor coil, and zone valves. When the transformer fails, the result is complete loss of control power: a blank thermostat, an unresponsive system, or a tripped circuit breaker caused by a shorted secondary winding. Replacing it with the correct OEM unit restores the factory-specified voltage and VA capacity, protecting downstream components from under-voltage stress.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input 120V AC | Output 24V AC | 40VA rated | Class 2 control circuit transformer | Direct OEM replacement for part number HT01CN241\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances specified by Carrier engineering. Generic units often run under-rated VA, causing premature thermal cutout trips and unreliable thermostat response — especially in multi-zone applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm 24V output after install). Label all low-voltage wires before disconnecting from the old unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct drop-in replacement for the Carrier \u003cstrong\u003ePF4MNA060T00AAAA\u003c\/strong\u003e air handler. Verify input voltage and VA rating on your unit's data plate before ordering. Our technical team is available to confirm fitment — just reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643277300083,"sku":"CARRIE-PF4MNA060T00AAAA-TRANSFORMER-HT01CN241","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643277332851,"sku":"CARRIE-PF4MNA060T00AAAA-TRANSFORMER-HT01CN241-GEN","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01CN241_1250886b-f881-4e43-8681-d13c55cd0fad.jpg?v=1775041027","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pf4mna060t00aaaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}