{"product_id":"carrier-py3gpaa60130na-transformer-h30291","title":"OEM Carrier 40VA Transformer HT01BD209 for PY3GPAA60130NA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01BD209 for Model PY3GPAA60130NA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3GPAA60130NA\u003c\/strong\u003e packaged unit. The transformer steps down 120V (or 240V, depending on configuration) 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 dark — the thermostat loses power, the contactor coil cannot be energized, and the system produces no heating or cooling response whatsoever. Replacing a failed transformer with the correct OEM-rated unit restores full control circuit integrity immediately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated output | 24V secondary | 120V\/240V primary | OEM part number HT01BD209 | Factory-matched impedance and thermal cutoff rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the exact factory-specified transformer. Generic alternatives frequently use lower-grade lamination cores and thinner windings, which run hotter and fail sooner — especially on units with multiple 24V accessories such as humidifiers, ERVs, or zoning boards drawing near the VA limit.\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 (to verify 0V before touching terminals, and 24V output after install). Note wire colors and terminal labels before disconnecting the old unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before the daily cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for \u003cstrong\u003eCarrier PY3GPAA60130NA\u003c\/strong\u003e packaged units. Always verify your unit's data plate voltage configuration (120V or 240V primary) matches the transformer specification before installation. Have your model and serial number ready — our fitment team is available to confirm compatibility before you order. \u003cem\u003eIn stock and ships today.\u003c\/em\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640431890803,"sku":"CARRIE-PY3GPAA60130NA-TRANSFORMER-HT01BD209","price":35.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640431923571,"sku":"CARRIE-PY3GPAA60130NA-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_44b1c0c5-f57f-419a-8fa9-981ed90ee7d3.jpg?v=1775016621","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gpaa60130na-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}