{"product_id":"carrier-py3gnaa60130na-transformer-h30291","title":"OEM Carrier Transformer 208\/240V–24V 40VA for PY3GNAA60130NA","description":"\u003ch1\u003eOEM Carrier Control Transformer 208\/240V to 24V 40VA — HT01BD209 for Model PY3GNAA60130NA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier control transformer (part #HT01BD209) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3GNAA60130NA\u003c\/strong\u003e packaged HVAC unit. The transformer steps down line voltage from 208\/240V to the 24V AC that powers your system's entire low-voltage control circuit — including the thermostat, gas valve, contactor coil, and control board. When this part fails, the result is typically a completely unresponsive system: the thermostat goes blank, the unit won't respond to any call for heating or cooling, and no control-side components operate. A quick 24V check at the transformer secondary terminals will confirm failure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input (Primary) 208\/240V | Output (Secondary) 24V | Power Rating: 40VA | Frequency: 50\/60 Hz | Factory-matched OEM dimensions and terminal configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to Carrier's exact VA rating and insulation class, ensuring stable 24V output under full control-circuit load. Generic units are often under-spec'd in VA capacity, leading to brownout voltages that cause erratic board behavior or premature contactor failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off all power at the disconnect and breaker before beginning. Tools needed: multimeter, flathead and Phillips screwdrivers, wire stripper, needle-nose pliers. Label and photograph all control wiring before disconnecting. Verify 24V output at secondary terminals after installation before restoring full power.\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 Factory-specified replacement for Carrier model \u003cstrong\u003ePY3GNAA60130NA\u003c\/strong\u003e. Verify your unit's data plate voltage (208V or 240V) matches the transformer's dual-tap primary before ordering. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you buy — contact us today and we'll confirm the correct part for your unit.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640442900851,"sku":"CARRIE-PY3GNAA60130NA-TRANSFORMER-HT01BD209","price":55.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640442933619,"sku":"CARRIE-PY3GNAA60130NA-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_2c687107-084c-4a83-9728-fd55b57994ce.jpg?v=1775041198","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gnaa60130na-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}