{"product_id":"carrier-ph13nr03000gahaa-transformer-h4oyjb","title":"OEM Carrier Transformer 60VA 115\/208\/230V for PH13NR03000GAHAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V for Model PH13NR03000GAHAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-authorized control transformer for the \u003cstrong\u003eCarrier PH13NR03000GAHAA\u003c\/strong\u003e heat pump system. The transformer steps down line voltage (115V, 208V, or 230V primary) to the 24V AC signal that powers every low-voltage control circuit in your system — including the thermostat, contactor coil, reversing valve, and control board. When this transformer fails, the entire control circuit goes dead: the thermostat goes blank, the system won't respond to calls for heating or cooling, and no diagnostic codes will display. A blown transformer is often caused by a shorted control wire, failed contactor coil, or wiring fault that overloaded the secondary circuit — always inspect the low-voltage wiring before installing a replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA rating | Primary voltage: 115V \/ 208V \/ 230V (multi-tap) | Secondary voltage: 24V AC | Foot-mounted design | OEM part number: HT01AW229 (also known 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 impedance tolerances. Generic transformers with under-rated VA capacity are prone to thermal overload and premature failure, leaving your system down again within a season.\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 (verify 0V before touching any wire), flathead and Phillips screwdrivers, needle-nose pliers, wire nuts. Photograph all wiring connections before disconnecting. Test secondary output (should read 24–28V AC) before buttoning up the unit.\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 replacement for Carrier model \u003cstrong\u003ePH13NR03000GAHAA\u003c\/strong\u003e. Verify your unit's data plate lists a 60VA transformer with 115\/208\/230V primary and 24V secondary before ordering. Cross-references: HT01AW229A. Have a question about fitment? Our HVAC parts specialists verify compatibility before every order — contact us today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641874698611,"sku":"CARRIE-PH13NR03000GAHAA-TRANSFORMER-HT01AW229","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641874731379,"sku":"CARRIE-PH13NR03000GAHAA-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_a92cb7cd-2460-46cc-8e0a-6c686f989a7a.jpg?v=1782943081","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr03000gahaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}