{"product_id":"carrier-ph13nb02400gaaaa-transformer-h4oyjb","title":"OEM Carrier Transformer 60VA 115\/208\/230V–24V for PH13NB02400GAAAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V–24V for Model PH13NB02400GAAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier replacement transformer (part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) factory-specified for the \u003cstrong\u003eCarrier PH13NB02400GAAAA\u003c\/strong\u003e heat pump system. The control transformer steps down high-voltage line power (115\/208\/230V primary) to the 24V AC signal that powers your thermostat circuit, contactor coil, and every downstream control component. When this transformer fails, the entire control circuit goes dark — the thermostat loses power, the system won't respond to calls for heating or cooling, and nothing operates. A blown fuse on the secondary side or a visibly burnt transformer are the most common indicators of failure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA capacity | Primary: 115\/208\/230V AC | Secondary: 24V AC | Foot-mounted configuration | OEM part number HT01AW229 (also referenced as HT01AW229A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part, built to exact VA and voltage tolerances. Generic transformers often run at reduced VA ratings, causing nuisance tripping or premature failure under normal HVAC control-circuit loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Label and photograph all low-voltage wiring before disconnecting. Discharge any capacitors in the system before working in the control compartment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer 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 Carrier model \u003cstrong\u003ePH13NB02400GAAAA\u003c\/strong\u003e. Always verify your unit's data plate voltage configuration before ordering — this transformer supports multi-tap 115\/208\/230V primary inputs, making it suitable across a wide range of install configurations. Questions about fitment? Our HVAC parts specialists verify compatibility before every order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641927389555,"sku":"CARRIE-PH13NB02400GAAAA-TRANSFORMER-HT01AW229","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641927422323,"sku":"CARRIE-PH13NB02400GAAAA-TRANSFORMER-HT01AW229-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01AW229_33314b26-21e2-40f9-924a-fe76e02792ca.jpg?v=1782943143","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nb02400gaaaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}