{"product_id":"carrier-ph13nb03100gaaaa-transformer-h4oyjb","title":"OEM Carrier Transformer 60VA 115\/208\/230V for PH13NB03100GAAAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V — Model PH13NB03100GAAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-authorized replacement control transformer for the \u003cstrong\u003eCarrier PH13NB03100GAAAA\u003c\/strong\u003e packaged heat pump unit. Part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e is a foot-mounted, multi-tap primary transformer rated at \u003cstrong\u003e60VA\u003c\/strong\u003e with primary voltage options of \u003cstrong\u003e115V, 208V, or 230V\u003c\/strong\u003e and a \u003cstrong\u003e24V secondary output\u003c\/strong\u003e. The transformer steps down line voltage to the 24V control circuit that powers your thermostat, contactor coil, reversing valve, and all low-voltage safety controls. When this transformer fails — due to a shorted control board, wiring fault, or age — the entire low-voltage control circuit goes dead: the thermostat goes blank, the unit will not respond to any calls for heating or cooling, and no contactor pull-in occurs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA | Primary: 115V \/ 208V \/ 230V multi-tap | Secondary: 24V AC | Foot-mounted configuration | OEM Part # HT01AW229 \/ 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. Off-brand transformers often use undersized cores that overheat under full 60VA load, leading to repeat failures and potential damage to downstream boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — De-energize the unit at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, wire stripper, and a multimeter to verify 24V output after installation. Confirm correct primary tap wire connection (115V, 208V, or 230V) matches your supply voltage before powering up.\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 Engineered as the direct OEM replacement for \u003cstrong\u003eCarrier PH13NB03100GAAAA\u003c\/strong\u003e packaged heat pump units. Always verify your unit's supply voltage and confirm part number HT01AW229 against your unit's wiring diagram or data plate before ordering. Our technical team is available to confirm fitment prior to purchase — call or chat today and we'll get your unit back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641918804339,"sku":"CARRIE-PH13NB03100GAAAA-TRANSFORMER-HT01AW229","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641918837107,"sku":"CARRIE-PH13NB03100GAAAA-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_4f8b63be-d229-4abe-b420-942475932351.jpg?v=1782943068","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nb03100gaaaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}