{"product_id":"carrier-ph12na048000adaa-transformer-h4oyjb","title":"OEM Carrier Transformer 60VA 115\/208\/230V for PH12NA048000ADAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V — HT01AW229 for Model PH12NA048000ADAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM foot-mounted control transformer for the \u003cstrong\u003eCarrier PH12NA048000ADAA\u003c\/strong\u003e packaged heat pump unit. The transformer steps down the 115\/208\/230V line voltage to the 24V signal required to power the control board, thermostat circuit, and all low-voltage safety controls. When this transformer fails, the entire control circuit goes dead — the unit will not respond to any thermostat call for heating or cooling, and no error codes will display because the board itself has lost power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA capacity | Primary voltage: 115\/208\/230V multi-tap | Secondary voltage: 24V | Foot-mounted configuration | 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. OEM transformers are wound to exact VA and voltage tolerances, protecting sensitive control boards from voltage fluctuation. Generic transformers frequently under-deliver VA capacity, causing intermittent nuisance lockouts and premature board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off all power at the disconnect and breaker before beginning. Tools needed: multimeter (verify 0V before touching terminals), flathead and Phillips screwdrivers, wire stripper. Label all low-voltage wires before removal. Confirm primary tap matches your supply voltage (115V or 208\/230V) before energizing.\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 Factory-specified replacement for Carrier model \u003cstrong\u003ePH12NA048000ADAA\u003c\/strong\u003e packaged heat pump. Verify your existing transformer's VA rating and primary voltage tap against your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us with your model and serial number.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641947869555,"sku":"CARRIE-PH12NA048000ADAA-TRANSFORMER-HT01AW229","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641947902323,"sku":"CARRIE-PH12NA048000ADAA-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_06071ed7-fa90-412c-b8fc-01a85274a395.jpg?v=1782943044","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph12na048000adaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}