{"product_id":"carrier-ph13pr048000aaaa-transformer-h4oyjb","title":"OEM Carrier 60VA Transformer 115\/208\/230V–24V for PH13PR048000AAAA","description":"\u003ch1\u003eOEM Carrier 60VA Control Transformer HT01AW229 for Model PH13PR048000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory replacement control transformer for the \u003cstrong\u003eCarrier PH13PR048000AAAA\u003c\/strong\u003e heat pump system. The transformer steps down line voltage (115\/208\/230V primary) to the 24V secondary signal used to power the control board, thermostat circuit, and all low-voltage system controls. When this transformer fails, your system will appear completely unresponsive — the thermostat goes dark, contactors won't pull in, and no heating or cooling cycle can initiate. A burnt smell near the air handler or a tripped fuse on the control board is a common accompanying symptom.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA rating | 115\/208\/230V primary input | 24V secondary output | OEM Part Number: HT01AW229 | Factory-matched impedance and thermal protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM HT01AW229 is wound to exact Carrier factory tolerances with built-in thermal overload protection. Generic transformers often lack proper VA headroom, causing nuisance fuse trips and premature failure under multi-zone or communicating thermostat loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label or photograph all low-voltage wiring before disconnecting. Verify primary tap matches your supply voltage (115V, 208V, or 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 Designed and factory-specified for the Carrier \u003cstrong\u003ePH13PR048000AAAA\u003c\/strong\u003e heat pump. Cross-references include HT01AW229A. Always confirm your unit's supply voltage and VA requirements on the equipment data plate before ordering. Our fitment team is available to verify compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641841701235,"sku":"CARRIE-PH13PR048000AAAA-TRANSFORMER-HT01AW229","price":235.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641841734003,"sku":"CARRIE-PH13PR048000AAAA-TRANSFORMER-HT01AW229-GEN","price":206.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01AW229_d91c8708-63f9-4a88-96e6-9a6fc721174b.jpg?v=1775016744","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13pr048000aaaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}