{"product_id":"carrier-py3ppa030060ab-transformer-h30291","title":"OEM Carrier Transformer 40VA 208\/240V–24V for PY3PPA030060AB","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 208\/240V to 24V — HT01BD209 for Model PY3PPA030060AB\u003c\/h1\u003e\u003cp\u003eThe Carrier \u003cstrong\u003eHT01BD209\u003c\/strong\u003e is the factory OEM control transformer for the \u003cstrong\u003ePY3PPA030060AB\u003c\/strong\u003e packaged unit. Its sole job is to step down 208\/240V line voltage to the 24V AC that powers every low-voltage component in the system — thermostats, contactors, control boards, and safety circuits. When this transformer fails, the entire control circuit goes dead: the thermostat display may go blank, the system will not respond to calls for heating or cooling, and you may measure 0V on the secondary side of the transformer with a multimeter. Replacing it is one of the most cost-effective repairs in HVAC service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input (Primary) Voltage: 208\/240V | Output (Secondary) Voltage: 24V | Power Rating: 40VA | Frequency: 50\/60 Hz | OEM Part Number: HT01BD209\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer wound to exact factory VA and voltage tolerances. Generic aftermarket transformers can run warm, trip internal thermal fuses prematurely, or deliver unstable 24V output that causes nuisance lockouts on sensitive control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit before beginning. Tools needed: multimeter, flathead and Phillips screwdrivers, needle-nose pliers, wire nuts or spade terminals. Always verify 0V at the primary leads before touching wiring. Photograph all wire connections before disconnecting the old transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer 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 the direct OEM replacement transformer for Carrier model \u003cstrong\u003ePY3PPA030060AB\u003c\/strong\u003e. Also fits many other Carrier, Bryant, and Payne packaged and split systems that specify part number HT01BD209. Verify your unit's data plate voltage requirements (208\/240V primary, 24V secondary, 40VA) before ordering. Our fitment team is available to confirm compatibility — contact us before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640367075699,"sku":"CARRIE-PY3PPA030060AB-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640367108467,"sku":"CARRIE-PY3PPA030060AB-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_9b158889-cb29-4a13-8506-9ac83a902ca0.jpg?v=1782942421","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa030060ab-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}