{"product_id":"carrier-py3ppa060090na-transformer-h30291","title":"OEM Carrier 40VA Transformer 208\/240V–24V for PY3PPA060090NA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 208\/240V to 24V for Model PY3PPA060090NA\u003c\/h1\u003e\u003cp\u003eThe Carrier \u003cstrong\u003eHT01BD209\u003c\/strong\u003e is the factory-specified 40VA control transformer for the \u003cstrong\u003ePY3PPA060090NA\u003c\/strong\u003e packaged unit. This transformer steps down the 208\/240V line voltage to the 24V signal voltage required by the control circuit — powering the thermostat, contactor coil, gas valve, and every other low-voltage component in your system. When the transformer fails, the entire control circuit loses power: the thermostat goes blank, the system refuses to respond to any call for heating or cooling, and nothing turns on. Replacing it with the correct OEM unit restores factory-matched electrical performance immediately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 208\/240V primary input | 24V secondary output | 40VA power rating | 50\/60 Hz | OEM part number HT01BD209\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances. Undersized or off-tolerance aftermarket units can overload under peak demand, blowing the secondary fuse and damaging downstream boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Label or photograph all low-voltage wires before removing the old unit. Verify 24V output with a multimeter before buttoning up the panel.\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 as the direct OEM replacement for Carrier model \u003cstrong\u003ePY3PPA060090NA\u003c\/strong\u003e. Always verify your unit's data plate voltage and VA rating before ordering. Our parts specialists are available to confirm fitment — order with confidence and get your system back online today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640347447667,"sku":"CARRIE-PY3PPA060090NA-TRANSFORMER-HT01BD209","price":55.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640347480435,"sku":"CARRIE-PY3PPA060090NA-TRANSFORMER-HT01BD209-GEN","price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD209_1effe3df-1087-47d8-ae34-b572f520dd6e.jpg?v=1775016439","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa060090na-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}