{"product_id":"carrier-ph12na06000gagaa-transformer-h4oyjb","title":"OEM Carrier Transformer 60VA 115\/208\/230V for PH12NA06000GAGAA","description":"\u003ch1\u003eOEM Carrier Transformer 60VA 115\/208\/230V — HT01AW229 for Model PH12NA06000GAGAA\u003c\/h1\u003e\u003cp\u003eThis is the factory-authorized OEM control transformer for the \u003cstrong\u003eCarrier PH12NA06000GAGAA\u003c\/strong\u003e packaged heat pump unit. The transformer steps down the 115\/208\/230V line voltage to a 24V secondary signal that powers the entire low-voltage control circuit — including the thermostat, contactor coil, and all safety controls. When this transformer fails, the result is a completely unresponsive system: the thermostat goes dead, the contactor won't energize, and the unit will not start in any mode. A blown transformer fuse or a shorted secondary winding are the most common failure signatures.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA rating | Primary voltage: 115 \/ 208 \/ 230 VAC | Secondary voltage: 24V | 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 engineered to exact VA and impedance specifications. Generic transformers often under-rate VA capacity, causing thermal overload and repeat failures — especially under full control-circuit load on multi-stage packaged units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — De-energize the unit at the disconnect before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify 24V output after install). Label all 24V wiring before disconnecting from secondary terminals. A blown fuse on the secondary is a sign of a downstream short — always diagnose the control circuit before installing a new transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement for \u003cstrong\u003eCarrier PH12NA06000GAGAA\u003c\/strong\u003e packaged heat pump units. Verify your unit's data plate primary voltage tap (115V, 208V, or 230V) matches your supply voltage before installing. Cross-references: HT01AW229A. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you order — reach out before purchasing if unsure.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641940398451,"sku":"CARRIE-PH12NA06000GAGAA-TRANSFORMER-HT01AW229","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641940431219,"sku":"CARRIE-PH12NA06000GAGAA-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_c6c4daf7-094e-451d-ad27-bd73c1cfbd43.jpg?v=1782943056","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph12na06000gagaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}