{"product_id":"carrier-py2pnb048130ab-transformer-h30291","title":"OEM Carrier Transformer 40VA 208\/240V–24V for PY2PNB048130AB","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 208\/240V to 24V for Model PY2PNB048130AB\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier transformer (part #HT01BD209) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY2PNB048130AB\u003c\/strong\u003e packaged unit. The transformer steps down line voltage from 208\/240V to the 24V signal required by your thermostat, control board, contactor coil, and all other low-voltage control circuit components. When this transformer fails, the entire control circuit goes dark — your thermostat shows no response, the system won't call for heating or cooling, and no safety or operational sequences will initiate.\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\/60Hz | OEM Part #: HT01BD209\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier OEM transformer, wound to factory-exact VA and voltage tolerances. Generic transformers frequently run under-rated VA capacity, causing overheating, voltage sag, and premature failure — especially under full control circuit load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, wire stripper, needle-nose pliers. Always photograph and label all low-voltage wiring before disconnecting. Confirm 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 Designed as the direct OEM replacement for the \u003cstrong\u003eCarrier PY2PNB048130AB\u003c\/strong\u003e packaged unit. Verify your unit's data plate input voltage (208V or 240V) matches this transformer's primary rating 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 ship your order out the same business day.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640533569907,"sku":"CARRIE-PY2PNB048130AB-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640533602675,"sku":"CARRIE-PY2PNB048130AB-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_8835b1db-9f8d-4cbe-9de4-11c86d9643e8.jpg?v=1782942305","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2pnb048130ab-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}