{"product_id":"carrier-py3pna060115aa-transformer-h30291","title":"OEM Carrier Control Transformer 40VA 208\/230V–24V for PY3PNA060115AA","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/230V to 24V — HT01BD209 for Model PY3PNA060115AA\u003c\/h1\u003e\u003cp\u003eThis genuine OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3PNA060115AA\u003c\/strong\u003e packaged unit. The transformer steps down line voltage (208\/230V) to the 24V AC signal that powers your thermostat, control board, and all low-voltage switching circuits. When this part fails, the entire control circuit goes dark — you'll see a completely unresponsive thermostat, no fan, no heat, and no cooling, even though line power is present at the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 208\/230V primary input | 24V secondary output | 50\/60 Hz | Part No. HT01BD209 | Replaces HT01BD207, HT01CN232, 9076-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and impedance tolerances for your Carrier unit. Undersized or off-spec generic transformers can overheat, trip thermal cutoffs, and introduce voltage sag that confuses control boards and causes nuisance lockouts.\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, wire stripper, multimeter. Label all low-voltage wires before removing the old transformer. Confirm 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 Direct OEM fit for Carrier model \u003cstrong\u003ePY3PNA060115AA\u003c\/strong\u003e. This transformer also serves as a verified replacement for systems previously using HT01BD207, HT01CN232, or 9076-00. Always confirm line voltage on your unit's data plate matches the 208\/230V primary before ordering. Have a fitment question? Our HVAC parts specialists verify compatibility before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640374972787,"sku":"CARRIE-PY3PNA060115AA-TRANSFORMER-HT01BD209","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640375005555,"sku":"CARRIE-PY3PNA060115AA-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_6f1a198f-2dc1-4bb7-a169-20724e6d48b1.jpg?v=1775025514","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pna060115aa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}