{"product_id":"carrier-py3gnaa36060aa-transformer-h30291","title":"OEM Carrier Control Transformer 40VA 208\/240V-24V — PY3GNAA36060AA","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/240V to 24V for Model PY3GNAA36060AA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part #HT01BD209) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3GNAA36060AA\u003c\/strong\u003e packaged unit. The transformer steps down the 208\/240V line voltage to the 24V signal used by thermostats, control boards, contactors, and every other low-voltage component in the system. When it fails, the entire control circuit goes dead — nothing responds, the thermostat goes blank, and the unit will not start at all. A failed transformer is one of the most commonly misdiagnosed HVAC faults; technicians often replace the control board first, only to discover the transformer was the culprit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 208\/240V primary | 24V secondary | 50\/60Hz | OEM part #HT01BD209 | Cross-references: HT01BD207, HT01CN232, 9076-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to exact factory VA tolerances. Undersized or out-of-spec generic transformers overheat under load, tripping thermal cutoffs repeatedly and shortening the life of your control board.\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: multimeter, flathead and Phillips screwdrivers, needle-nose pliers. Confirm 0V at primary terminals before touching wires. Photograph all wire connections before removal.\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 Verified fit for Carrier model \u003cstrong\u003ePY3GNAA36060AA\u003c\/strong\u003e. Always confirm input voltage on your unit's data plate matches the 208\/240V primary rating before ordering. Need help confirming fitment? Our HVAC parts team verifies compatibility before you buy — order with confidence.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640457875827,"sku":"CARRIE-PY3GNAA36060AA-TRANSFORMER-HT01BD209","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640457908595,"sku":"CARRIE-PY3GNAA36060AA-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_28745b5c-e72d-4721-9776-c1832594ede4.jpg?v=1775025602","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gnaa36060aa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}