{"product_id":"payne-pa3zpa060000aa-transformer-h3025m","title":"OEM Payne Transformer 40VA 120V\/24V for PA3ZPA060000AA","description":"\u003ch1\u003eOEM Payne Transformer 40VA 120V\/24V for Model PA3ZPA060000AA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01BD242\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA3ZPA060000AA\u003c\/strong\u003e packaged air conditioning unit. The transformer steps down 120V line voltage to 24V to power the entire low-voltage control circuit — including the thermostat, contactor coil, and control board. When this part fails, the system goes completely unresponsive: the thermostat goes dark, the contactor won't pull in, and nothing runs. It is one of the first components to check when a system appears totally dead despite confirmed line voltage at the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 120V primary \/ 24V secondary | OEM part number HT01BD242 | Factory-matched output tolerance for stable low-voltage control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage specifications for the Payne PA3ZPA060000AA. Generic units can deliver inconsistent 24V output under load, causing nuisance lockouts, contactor chatter, and premature control board failures.\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 servicing. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter (verify 0V before touching wiring). Always label or photograph existing wiring before disconnecting the primary and secondary leads.\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.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Payne \u003cstrong\u003ePA3ZPA060000AA\u003c\/strong\u003e 5-ton packaged unit. Confirm your existing transformer's VA rating and primary\/secondary voltages from the unit data plate or wiring diagram before ordering. Our fitment team is available to verify compatibility before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908867740019,"sku":"PAYNE-PA3ZPA060000AA-TRANSFORMER-HT01BD242","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908867772787,"sku":"PAYNE-PA3ZPA060000AA-TRANSFORMER-HT01BD242-GEN","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD242_4b14ebb0-a76a-41ca-a655-e9e07c11d620.jpg?v=1780719013","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa3zpa060000aa-transformer-h3025m","provider":"National HVAC Parts","version":"1.0","type":"link"}