{"product_id":"carrier-py3ppa030060na-transformer-h30291","title":"OEM Carrier Transformer 40VA 208\/240V–24V for PY3PPA030060NA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01BD209 for Model PY3PPA030060NA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier control transformer (part #HT01BD209) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3PPA030060NA\u003c\/strong\u003e packaged unit. The transformer steps down 208\/240V line voltage to the 24V signal voltage that powers your thermostat, control board, contactors, and every other low-voltage component in the system. When this transformer fails, the entire control circuit goes dark — the thermostat goes blank, the system refuses to respond to any call for heating or cooling, and no safety fault codes are logged because the board itself has no power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input: 208\/240V | Output: 24V secondary | Power Rating: 40VA | Frequency: 50\/60 Hz | OEM Part #: HT01BD209 | Factory-matched to Carrier PY3PPA030060NA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier OEM part built to exact factory VA rating and winding tolerances. Generic transformers may run undersized VA ratings, causing voltage sag that triggers nuisance lockouts or premature control board failure.\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 starting. Tools needed: flathead and Phillips screwdriver, multimeter, needle-nose pliers. Confirm 24V at the secondary terminals after install before restoring line voltage. Photograph all wiring connections before disconnecting the old transformer.\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 as the direct OEM replacement for the \u003cstrong\u003eCarrier PY3PPA030060NA\u003c\/strong\u003e packaged unit. Verify your unit's data plate shows a 208\/240V primary and 24V secondary control circuit before ordering. Our fitment team is available to confirm compatibility — contact us before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640365568371,"sku":"CARRIE-PY3PPA030060NA-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640365601139,"sku":"CARRIE-PY3PPA030060NA-TRANSFORMER-HT01BD209-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01BD209_36c8afc2-2c00-45ed-90a7-0b29d7231a9b.jpg?v=1782942424","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa030060na-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}