{"product_id":"payne-pa1zna048000abaa-transformer-h30291","title":"OEM Payne Transformer 40VA 120\/240V-24V for PA1ZNA048000ABAA","description":"\u003ch1\u003eOEM Payne Control Transformer 40VA for Model PA1ZNA048000ABAA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement transformer (part# \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA1ZNA048000ABAA\u003c\/strong\u003e split-system air conditioner. The transformer steps down line voltage (120V or 240V) to the 24V AC signal that powers your thermostat, control board, contactor coil, and every other low-voltage component in the system. When this part fails, the entire control circuit goes dark — the thermostat goes blank, the system becomes completely unresponsive, and no heating or cooling can be initiated regardless of settings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120\/240V | Secondary: 24V AC output | OEM part number HT01BD209 | Factory-matched to Payne PA1ZNA048000ABAA control circuit requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances required by the factory control board. Undersized or off-tolerance generic transformers can overheat, trip their internal breaker repeatedly, or cause erratic low-voltage faults that are difficult to diagnose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label all 24V wiring before disconnecting. Verify 24V output with a multimeter before reassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Payne \u003cstrong\u003ePA1ZNA048000ABAA\u003c\/strong\u003e 4-ton split-system condenser. Always confirm your unit's control voltage requirements on the data plate or wiring diagram before ordering. Our HVAC parts specialists are available to verify fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908936028531,"sku":"PAYNE-PA1ZNA048000ABAA-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908936061299,"sku":"PAYNE-PA1ZNA048000ABAA-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_11370310-5b10-405b-94e3-a31a92e23af2.jpg?v=1780718778","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa1zna048000abaa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}