{"product_id":"carrier-py2ppb042060aa-transformer-h30291","title":"OEM Carrier Control Transformer 40VA 208\/240V–24V — PY2PPB042060AA","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/240V to 24V for Model PY2PPB042060AA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement part for the \u003cstrong\u003eCarrier PY2PPB042060AA\u003c\/strong\u003e packaged unit. The transformer steps down line voltage (208\/240V) to the 24V AC signal that powers your thermostat, control board, contactors, and all low-voltage safety circuits. When it fails, the entire control circuit goes dark — nothing works, no signals are sent, and the system won't respond to thermostat commands. A failed transformer is one of the most common causes of a completely unresponsive HVAC system.\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 | OEM part number HT01BD209 | Replaces HT01BD207, HT01CN232, 9076-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound and insulated to exact factory tolerances, ensuring stable 24V output under full control-circuit load. Generic units may sag under load or fail prematurely, causing intermittent lockouts and nuisance callbacks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off all power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, wire stripper. Label all wires before disconnecting. Verify primary voltage at the unit data plate before ordering — 208V and 240V variants use the same transformer on this unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for \u003cstrong\u003eCarrier model PY2PPB042060AA\u003c\/strong\u003e packaged units. Cross-references include HT01BD207, HT01CN232, and 9076-00. Verify model and serial number on your unit's data plate before ordering. Our team is available to confirm fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640518758771,"sku":"CARRIE-PY2PPB042060AA-TRANSFORMER-HT01BD209","price":87.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640518791539,"sku":"CARRIE-PY2PPB042060AA-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_b78de200-ab18-4ee9-be0e-e6a9031f291a.jpg?v=1775025773","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb042060aa-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}