{"product_id":"carrier-ph10ja03000gagaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V–24V for PH10JA03000G","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V–24V for Model PH10JA03000GAGAA\u003c\/h1\u003e\u003cp\u003eThis is the factory-authorized OEM replacement control transformer for the \u003cstrong\u003eCarrier PH10JA03000GAGAA\u003c\/strong\u003e packaged heating unit. Part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e, this 60VA foot-mount transformer steps down the primary voltage (115, 208, or 230VAC) to a 24VAC secondary signal that powers the entire low-voltage control circuit — including the thermostat, gas valve, contactor coil, and control board. When this transformer fails, the result is a completely unresponsive system: the thermostat goes blank, no components energize, and no fault codes appear because there is no control power to drive them.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA power rating | Primary: 115\/208\/230VAC multi-tap | Secondary: 24VAC | Foot-mount configuration | 50\/60 Hz rated | Factory-matched OEM tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part (FAP). OEM transformers deliver stable, regulated 24VAC output within tight tolerance. Off-brand units often produce voltage sag under load, causing erratic control board behavior, nuisance lockouts, and premature component failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, multimeter (verify 0V before touching terminals), wire nuts or terminal connectors. Photograph all wiring before removal. The higher 60VA rating means leads may carry more current — ensure connections are tight and insulated.\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 specifically for the \u003cstrong\u003eCarrier PH10JA03000GAGAA\u003c\/strong\u003e packaged unit. Also cross-references as HT01AW229A. Verify your unit's data plate voltage and VA rating before ordering. Not sure it's the right part? Our HVAC parts team confirms fitment before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642006557043,"sku":"CARRIE-PH10JA03000GAGAA-TRANSFORMER-HT01AW229","price":162.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642006589811,"sku":"CARRIE-PH10JA03000GAGAA-TRANSFORMER-HT01AW229-GEN","price":142.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01AW229_98ffd11c-c9ce-4417-abc4-f16f70ab3ed3.jpg?v=1775026179","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph10ja03000gagaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}