{"product_id":"carrier-py3gna060090nb-transformer-h30291","title":"OEM Carrier Transformer 40VA 208\/240V–24V for PY3GNA060090NB","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/240V to 24V for Model PY3GNA060090NB\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier control transformer (part #HT01BD209) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3GNA060090NB\u003c\/strong\u003e packaged gas\/electric unit. The transformer steps down high-voltage line power (208\/240V primary) to the 24V control-circuit voltage that powers your thermostat, control board, gas valve, and every other low-voltage component in the system. When this transformer fails, the result is total loss of control — a blank thermostat display, no response to any call for heating or cooling, and a system that will not start regardless of settings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA capacity | 208\/240V primary input | 24V secondary output | 50\/60Hz compatible | Replaces OEM part numbers 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. Generic transformers can drift outside rated output under load, causing nuisance lockouts, erratic control board behavior, and premature component failure across the entire low-voltage circuit.\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, needle-nose pliers, multimeter (to verify 24V output after install). Always photograph or label all wire terminals before disconnecting the old transformer.\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 Direct OEM replacement for \u003cstrong\u003eCarrier model PY3GNA060090NB\u003c\/strong\u003e. This transformer is also a direct drop-in for systems currently running legacy part numbers HT01BD207 or HT01CN232. Verify your unit's line voltage (208V or 240V) matches the primary rating before installation. Have a question about fitment? Our HVAC parts specialists verify compatibility before you order — call or chat today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640467050867,"sku":"CARRIE-PY3GNA060090NB-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640467083635,"sku":"CARRIE-PY3GNA060090NB-TRANSFORMER-HT01BD209-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01BD209_e81a0f8c-f8f5-4134-b763-d4a59e7dfdf5.jpg?v=1782942361","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gna060090nb-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}