{"product_id":"payne-pa1ppb048000abaa-transformer-h30291","title":"OEM Payne Transformer 40VA 120\/24V for PA1PPB048000ABAA","description":"\u003ch1\u003eOEM Payne 40VA Control Transformer for Model PA1PPB048000ABAA\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-replacement control transformer (part# \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA1PPB048000ABAA\u003c\/strong\u003e packaged air conditioning unit. The transformer steps down line voltage from 120V to 24V to power the entire low-voltage control circuit — including the thermostat, contactor coil, and control board. When this transformer fails, the system goes completely silent: no thermostat response, no contactor pull-in, and no fan or compressor operation. A blown transformer is often the result of a short in the low-voltage wiring or a failed component drawing excessive current — always inspect the control circuit before replacing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 120V primary \/ 24V secondary | Class 2 control transformer | Direct OEM replacement, part# HT01BD209 | Mounts to existing bracket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit is wound to exact factory VA and voltage specifications, ensuring reliable operation under peak control-circuit demand. Generic transformers may be undersized or use lower-grade core materials, leading to overheating and premature failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter (to verify 24V output after install), wire stripper, and insulated connectors. Note wire colors on primary and secondary terminals before disconnecting the old unit.\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 when ordered before 3PM.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the \u003cstrong\u003ePayne PA1PPB048000ABAA\u003c\/strong\u003e 4-ton packaged air conditioning unit. Confirm 120V\/24V 40VA specification against your unit's data plate or existing transformer label before ordering. Our team is available to verify fitment — order with confidence.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908963389811,"sku":"PAYNE-PA1PPB048000ABAA-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908963422579,"sku":"PAYNE-PA1PPB048000ABAA-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_23d11855-8cc6-4c24-a683-d339ff85ae98.jpg?v=1780718787","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa1ppb048000abaa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}