{"product_id":"carrier-ph3pna060000aa-transformer-h3025m","title":"OEM Carrier Transformer 75VA 208\/240\/480V–24V for PH3PNA060000AA","description":"\u003ch1\u003eOEM Carrier Transformer 75VA 208\/240\/480V to 24V for Model PH3PNA060000AA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01BD242\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PH3PNA060000AA\u003c\/strong\u003e packaged unit. The transformer steps down high-voltage primary power (208\/240\/480V) to the 24V AC signal that powers your entire control circuit — including the thermostat, contactor coil, gas valve, and control board. When the transformer fails, nothing in the system responds: the thermostat goes blank, the unit won't cycle, and you may measure 0V on the secondary side with a multimeter. This is one of the first components to check when a system is completely unresponsive.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 75VA rating | 208\/240\/480V primary | 24VAC secondary | 50\/60 Hz | Foot-mount configuration | OEM part number HT01BD242\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer wound to exact VA and voltage tolerances. Undersized or off-tolerance aftermarket transformers can overheat, trip their internal thermal fuse prematurely, or fail to hold coil voltage under full load — taking out downstream components with them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit before starting. Tools needed: flathead and Phillips screwdrivers, wire nuts or spade connectors, multimeter. Photograph or label all wiring before disconnecting. Verify 24V output on secondary terminals before closing the 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 for the Carrier \u003cstrong\u003ePH3PNA060000AA\u003c\/strong\u003e packaged unit. Also fits across Carrier, Bryant, Payne, and ICP family equipment sharing the HT01BD242 specification. Always verify your unit's data plate primary voltage (208V, 240V, or 480V) matches this transformer before ordering. Questions about fitment? Our parts team confirms compatibility before you buy — contact us today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641346052467,"sku":"CARRIE-PH3PNA060000AA-TRANSFORMER-HT01BD242","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641346085235,"sku":"CARRIE-PH3PNA060000AA-TRANSFORMER-HT01BD242-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-HT01BD242_1a3d31f6-43ba-4ba7-a1fb-e695689c8e73.jpg?v=1782943296","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph3pna060000aa-transformer-h3025m","provider":"National HVAC Parts","version":"1.0","type":"link"}