{"product_id":"payne-pa2pnb048000ab-transformer-h30291","title":"OEM Payne Transformer 40VA 120V\/24V for PA2PNB048000AB","description":"\u003ch1\u003eOEM Payne 40VA Control Transformer for Model PA2PNB048000AB\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003ePayne PA2PNB048000AB\u003c\/strong\u003e 4-ton split-system air conditioner. The transformer steps down 120V line voltage to the 24V signal required by the thermostat, contactor coil, and all low-voltage control circuits. When it fails, the entire control system goes dark — the thermostat loses power, the contactor won't energize, and neither heating nor cooling will operate. A shorted transformer will often trip the secondary fuse or breaker repeatedly, making it one of the first components to inspect during a no-response service call.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Class 2 insulated | OEM part number HT01BD209 | Factory-matched output for stable low-voltage control circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to exact factory VA and voltage tolerances. Undersized or off-spec generic transformers can sag under load, causing intermittent lockouts, nuisance tripped fuses, and premature contactor coil failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and verify zero voltage before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label all low-voltage wiring before removal. Secondary fuse should also be inspected and replaced if blown.\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 warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Payne \u003cstrong\u003ePA2PNB048000AB\u003c\/strong\u003e split-system condenser. Verify 120V primary and 24V\/40VA secondary ratings on your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — same-day shipping means your repair doesn't wait.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908921807219,"sku":"PAYNE-PA2PNB048000AB-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908921839987,"sku":"PAYNE-PA2PNB048000AB-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_4bf1b4e8-aad2-47b3-ab6d-cd10d52f6a08.jpg?v=1780718935","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa2pnb048000ab-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}