{"product_id":"carrier-py2ppb060090ab-transformer-h30291","title":"OEM Carrier Control Transformer 40VA 208\/240V–24V for PY2PPB060090AB","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 208\/240V to 24V for Model PY2PPB060090AB\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified control transformer for the \u003cstrong\u003eCarrier PY2PPB060090AB\u003c\/strong\u003e packaged unit. The transformer steps high-voltage line power (208\/240V) down to the 24V signal used by the thermostat, control board, and all low-voltage switching components. When this part fails, the entire control circuit goes dark — the thermostat becomes unresponsive, staging relays won't energize, and the system will not start at all. A shorted secondary or open primary winding is one of the most common causes of a completely dead HVAC system, making this a critical first-check component during a no-response service call.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input 208\/240V | Output 24V | 40VA power rating | 50\/60 Hz | OEM Part# HT01BD209 | Factory-matched winding tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound and insulated to Carrier's exact factory specification, ensuring stable 24V output under full control-circuit load. Generic units often use under-rated VA cores that run hot and fail prematurely, especially in packaged unit enclosures with elevated ambient temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter, needle-nose pliers. Always verify 0V at line terminals before touching wiring. Photograph all connections before removal.\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 Engineered for the Carrier \u003cstrong\u003ePY2PPB060090AB\u003c\/strong\u003e packaged unit. Verify your unit's data plate shows 208\/240V primary input and 24V secondary before ordering. Our fitment specialists are available to confirm compatibility before you buy — order with confidence from NationalHVACParts.com.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640503685491,"sku":"CARRIE-PY2PPB060090AB-TRANSFORMER-HT01BD209","price":55.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640503718259,"sku":"CARRIE-PY2PPB060090AB-TRANSFORMER-HT01BD209-GEN","price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD209_07ce2471-c1ad-4b06-b891-9a82e7e22b83.jpg?v=1775025657","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb060090ab-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}