{"product_id":"carrier-py1pnb030060aaaa-transformer-h30291","title":"OEM Carrier Transformer 40VA 208\/240V–24V for PY1PNB030060AAAA","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 208\/240V to 24V for Model PY1PNB030060AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part number \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY1PNB030060AAAA\u003c\/strong\u003e. The transformer steps down 208\/240V line voltage to the 24V AC signal that powers every component in your control circuit — thermostat, contactor coil, gas valve, and control board. When this part fails, the entire system goes silent: no thermostat response, no relay click, and no blower activation. It is one of the first components to check when a system is completely unresponsive despite confirmed line voltage at the unit.\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 | Factory-matched winding tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact factory VA and voltage specifications, ensuring the 24V output stays stable under full control-circuit load. Generic units can sag under load, causing erratic thermostat behavior, nuisance lockouts, and premature contactor coil failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph existing wire connections before disconnecting. Confirm output is 24V AC at secondary terminals after install before restoring full power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In stock — ships 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\u003ePY1PNB030060AAAA\u003c\/strong\u003e. Always verify your unit's data plate voltage matches the 208\/240V primary input before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us today and we'll confirm in minutes.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640907157875,"sku":"CARRIE-PY1PNB030060AAAA-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640907190643,"sku":"CARRIE-PY1PNB030060AAAA-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_2977544b-f466-4cbb-90b0-2a2587bd3cfc.jpg?v=1782942256","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1pnb030060aaaa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}