{"product_id":"payne-pa3gna060000aa-transformer-h30291","title":"OEM Payne Transformer 40VA 120V\/24V for PA3GNA060000AA","description":"\u003ch1\u003eOEM Payne 40VA Control Transformer for Model PA3GNA060000AA\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified control transformer (part# \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA3GNA060000AA\u003c\/strong\u003e packaged gas unit. The transformer steps down 120V line voltage to the 24V signal voltage required to power your thermostat, control board, gas valve, and all low-voltage safety circuits. When this component fails, the entire control system goes dark — the thermostat loses power, nothing responds, and neither heating nor cooling will initiate. It is often the first component to inspect when a system shows zero activity at the thermostat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V | Secondary: 24V | OEM part number HT01BD209 | Factory-matched for Payne PA3GNA060000AA control circuit demands\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 your specific unit. Undersized or off-tolerance generic transformers can overheat, trip internal breakers, or cause erratic low-voltage behavior across the entire control circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit at the disconnect before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Note wire colors and terminal positions before disconnecting the old unit. Verify 24V output at secondary terminals after installation.\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 Engineered for the Payne \u003cstrong\u003ePA3GNA060000AA\u003c\/strong\u003e packaged gas unit. Always verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate or wiring diagram before ordering. Need help confirming fitment? Our parts specialists verify compatibility before you purchase — reach out before you order.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908906537331,"sku":"PAYNE-PA3GNA060000AA-TRANSFORMER-HT01BD209","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908906570099,"sku":"PAYNE-PA3GNA060000AA-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_766e4847-1b97-46a1-83f6-51b071851b76.jpg?v=1780718955","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa3gna060000aa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}