{"product_id":"payne-pa2pnb036000aa-transformer-h30291","title":"OEM Payne Transformer 40VA 120V\/24V for PA2PNB036000AA","description":"\u003ch1\u003eOEM Payne Control Transformer 40VA 120V\/24V for Model PA2PNB036000AA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA2PNB036000AA\u003c\/strong\u003e split-system air conditioner. The transformer steps down 120V line voltage to 24V to power the control circuit — including the thermostat, contactor coil, and any connected safety controls. When this component fails, the entire control circuit goes dead: the thermostat displays nothing or loses communication, and the system will not respond to any call for cooling. A blown transformer is often the first sign of a shorted wire or failed component elsewhere in the low-voltage circuit, so inspect control wiring carefully before installing the replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary voltage: 120V | Secondary voltage: 24V | OEM part number HT01BD209 | Factory-matched output tolerance for stable control circuit operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit is wound and rated to exact Payne factory specifications. Generic transformers frequently run under-rated VA capacity, causing overheating and premature failure — especially when multiple accessories share the 24V circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Confirm 24V output with a multimeter after installation before restoring system power. Check for shorts in low-voltage wiring that may have caused the original failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed by cutoff time ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Payne \u003cstrong\u003ePA2PNB036000AA\u003c\/strong\u003e split-system condenser. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit's data plate or wiring diagram before ordering. Our fitment team is available to confirm compatibility before you buy.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908923281779,"sku":"PAYNE-PA2PNB036000AA-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908923314547,"sku":"PAYNE-PA2PNB036000AA-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_56cdd561-a734-413a-a670-7b4392b0e4d3.jpg?v=1780718931","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa2pnb036000aa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}