{"product_id":"payne-pa2pnb030000ab-transformer-h30291","title":"OEM Payne Transformer 40VA 120V\/24V for PA2PNB030000AB","description":"\u003ch1\u003eOEM Payne Control Transformer 40VA 120V\/24V for Model PA2PNB030000AB\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA2PNB030000AB\u003c\/strong\u003e air conditioner. The transformer steps down 120V line voltage to the 24V signal voltage required to power the control board, thermostat, and all low-voltage switching components. When this part fails, the entire control circuit goes dead — the thermostat display may go blank, the system will not respond to any commands, and no heating or cooling will initiate. A failed transformer is often mistaken for a bad control board, so always verify 24V output at the secondary terminals before replacing more expensive components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 120V primary \/ 24V secondary | Class 2 transformer | OEM part number HT01BD209 | Direct factory replacement for Payne PA2PNB030000AB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit is wound and tested to exact factory VA ratings, ensuring stable 24V output under full control circuit load. Generic transformers frequently fall short of rated VA, causing intermittent lockouts, nuisance tripping, and premature failure of downstream control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the breaker and disconnect switch before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label or photograph all low-voltage wiring connections before removal. Verify 24V output after installation before closing the cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In stock and ships same business day from our HVAC parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Payne \u003cstrong\u003ePA2PNB030000AB\u003c\/strong\u003e split-system air conditioner. Confirm your existing transformer's VA rating and primary\/secondary voltages on the unit data plate or old part label before ordering. Need fitment verification? Our parts team is available to confirm compatibility before you buy.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908923347315,"sku":"PAYNE-PA2PNB030000AB-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908923380083,"sku":"PAYNE-PA2PNB030000AB-TRANSFORMER-HT01BD209-GEN","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD209_bd33a694-a535-47f2-8850-fa3da6efcd9f.jpg?v=1780718930","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa2pnb030000ab-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}