{"product_id":"payne-pa2pnb024000ab-transformer-h30291","title":"OEM Payne Transformer 40VA 120V\/24V for PA2PNB024000AB","description":"\u003ch1\u003eOEM Payne Control Transformer 40VA 120V to 24V for Model PA2PNB024000AB\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part# \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA2PNB024000AB\u003c\/strong\u003e air conditioner. The transformer steps down 120V line voltage to the 24V AC signal that powers your thermostat, control board, contactor coil, and all low-voltage control circuits. When this component fails, the entire control system goes dead — the thermostat goes blank, the system won't respond to any commands, and no staging or safety functions can operate. It is often the first component to inspect when nothing works but the circuit breaker is confirmed on.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 120V primary \/ 24V secondary | Class 2 transformer | Factory-matched output for Payne low-voltage control circuits | OEM part number HT01BD209\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM HT01BD209 transformer is wound and insulated to Payne's exact VA and voltage tolerances. Undersized or off-brand transformers can brownout under load, damaging control boards and contactors — making OEM the cost-effective long-term choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm 24V output after install). Photograph all wiring connections before removing the old unit. The transformer mounts in the control compartment with two screws and uses spade or wire-lead connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed by 3 PM ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Payne \u003cstrong\u003ePA2PNB024000AB\u003c\/strong\u003e split-system unit. Always verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate or wiring diagram before ordering. Our HVAC parts team is available to confirm fitment — reach out before you order if you have any questions.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908924690803,"sku":"PAYNE-PA2PNB024000AB-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908924723571,"sku":"PAYNE-PA2PNB024000AB-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_62227804-a679-4198-962c-0636e206c216.jpg?v=1780718926","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa2pnb024000ab-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}