{"product_id":"carrier-py3pna036060nb-transformer-h30291","title":"OEM Carrier Control Transformer 40VA 208\/240V-24V — PY3PNA036060NB","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/240V to 24V for Model PY3PNA036060NB\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part number \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3PNA036060NB\u003c\/strong\u003e packaged unit. The transformer steps down 208\/240V line voltage to the 24V AC signal that powers every low-voltage component in your system — thermostat, contactor coil, gas valve, and control board. When it fails, the entire control circuit goes dead: the thermostat goes blank, the system won't respond to any call for heating or cooling, and you may measure zero volts at the 24V secondary terminals.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 208\/240V primary input | 24V secondary output | 50\/60 Hz | OEM part number HT01BD209 | Replaces HT01BD207, HT01CN232, and 9076-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer wound to exact factory VA and voltage tolerances. Undersized or off-tolerance aftermarket transformers can trip on thermal overload or fail to sustain the 24V rail under full load, causing intermittent lockouts that are difficult to diagnose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect before starting. Tools needed: flat-head and Phillips screwdrivers, multimeter, wire nuts or quick-connect terminals. Label or photograph all wiring before disconnecting. Verify 0V at the primary before handling wires.\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 Carrier \u003cstrong\u003ePY3PNA036060NB\u003c\/strong\u003e packaged unit. Also compatible with select Bryant and Payne models sharing the same 40VA 208\/240V–24V transformer specification — confirm your unit's data plate voltage requirements before ordering. Questions about fitment? Our team verifies compatibility before you order — contact us today and get your system back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640390373747,"sku":"CARRIE-PY3PNA036060NB-TRANSFORMER-HT01BD209","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640390406515,"sku":"CARRIE-PY3PNA036060NB-TRANSFORMER-HT01BD209-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD209_f072282b-5fb0-4001-9963-1ce2ddfdc8f6.jpg?v=1775025605","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pna036060nb-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}