{"product_id":"payne-pa2ppb048000ab-transformer-h30291","title":"OEM Payne Transformer 40VA 120V\/24V for PA2PPB048000AB — HT01BD209","description":"\u003ch1\u003eOEM Payne 40VA Control Transformer for Model PA2PPB048000AB — Part# HT01BD209\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003ePayne PA2PPB048000AB\u003c\/strong\u003e packaged air conditioning unit. The transformer steps down 120V line voltage to the 24V signal required by your thermostat, control board, and all low-voltage safety circuits. When this component fails, the entire control circuit goes dead — your thermostat goes blank, the system makes no attempt to run, and no error codes are generated because there is no power to produce them. Replacing the transformer restores the 24V backbone that every other component depends on.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA capacity | 120V primary \/ 24V secondary | OEM part number HT01BD209 | Factory-matched impedance and thermal overload protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances for the PA2PPB048000AB. Undersized or off-tolerance generic units can overheat, trip repeatedly, or fail to supply adequate current to multi-stage controls and communicating thermostats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter (verify 0V before touching terminals). Label or photograph all low-voltage wiring connections before removal. Secure wire nuts firmly on reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff 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 \u003cstrong\u003ePayne PA2PPB048000AB\u003c\/strong\u003e 4-ton packaged air conditioning unit. Confirm your unit's control circuit voltage and VA requirements on the data plate before ordering. If you are unsure of fitment, our HVAC parts specialists are available to verify compatibility before you purchase — same-day shipping guaranteed on in-stock OEM parts.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908917678451,"sku":"PAYNE-PA2PPB048000AB-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908917711219,"sku":"PAYNE-PA2PPB048000AB-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_09d0ee49-4fcd-4125-bec3-05182c9d3801.jpg?v=1780718943","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa2ppb048000ab-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}