{"product_id":"carrier-py3gpaa60115na-transformer-h30291","title":"OEM Carrier Control Transformer 40VA 208\/240V–24V — PY3GPAA60115NA","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/240V to 24V for Model PY3GPAA60115NA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part #HT01BD209) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3GPAA60115NA\u003c\/strong\u003e packaged unit. Its job is to step down line voltage from 208\/240V to a stable 24V AC signal that powers the entire control circuit — including the thermostat, contactor coil, gas valve, and all safety switching. When this transformer fails, the result is typically a completely unresponsive system: the thermostat goes dark, the unit won't start, and no control functions operate at all. A blown internal fuse or shorted secondary winding are the most common failure modes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 208\/240V primary | 24V secondary | 40VA rating | 50\/60 Hz | OEM part #HT01BD209 | Also replaces HT01BD207, HT01CN232, and 9076-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory OEM transformer is wound to exact VA and voltage tolerances. Generic units can drift under load, causing nuisance tripping of downstream controls or premature fuse failure — a small shortcut that creates a much bigger callback.\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: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Always label and photograph wiring before disconnecting. Replace any blown inline fuse on the secondary as part of this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Carrier model \u003cstrong\u003ePY3GPAA60115NA\u003c\/strong\u003e packaged gas\/electric units. Also cross-references OEM part numbers HT01BD207, HT01CN232, and 9076-00 — verify your unit's data plate before ordering. Need help confirming fitment? Our HVAC parts team is standing by. \u003cstrong\u003eOrder today and your part ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640432480627,"sku":"CARRIE-PY3GPAA60115NA-TRANSFORMER-HT01BD209","price":87.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640432513395,"sku":"CARRIE-PY3GPAA60115NA-TRANSFORMER-HT01BD209-GEN","price":77.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD209_4e12c3cb-a19f-4ded-b772-ffc99d1fb14d.jpg?v=1775025802","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gpaa60115na-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}