{"product_id":"carrier-ph10ja04200gagaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V-24V — PH10JA04200GAG","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V–24V for Model PH10JA04200GAGAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-specified control transformer for the \u003cstrong\u003eCarrier PH10JA04200GAGAA\u003c\/strong\u003e packaged heat pump system. The transformer steps down line voltage (115, 208, or 230V primary) to the 24V AC signal that powers the entire low-voltage control circuit — including the thermostat, contactors, relays, and control board. When this transformer fails, \u003cstrong\u003enothing in the system responds\u003c\/strong\u003e: the thermostat goes blank, the unit won't call for heating or cooling, and a multimeter at the secondary terminals will read 0V instead of 24V.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA power rating | 115\/208\/230V primary input | 24V AC secondary output | 50\/60 Hz | Foot-mounted configuration | OEM Part Number HT01AW229\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory-authorized part is wound to exact Carrier tolerances, ensuring stable 24V output under full control-circuit load. Generic transformers often underperform at 60VA draw, causing intermittent resets, nuisance lockouts, and premature board failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker panel before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label all low-voltage wires before disconnecting. Verify 0V at primary terminals before touching any leads.\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 Direct OEM replacement for Carrier model \u003cstrong\u003ePH10JA04200GAGAA\u003c\/strong\u003e. Also cross-references to HT01AW229A. Confirm your unit's primary voltage (115V, 208V, or 230V) matches your supply voltage before ordering. Not sure? Our fitment team verifies compatibility before you buy — order with confidence and get your system back online today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641989353843,"sku":"CARRIE-PH10JA04200GAGAA-TRANSFORMER-HT01AW229","price":162.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641989386611,"sku":"CARRIE-PH10JA04200GAGAA-TRANSFORMER-HT01AW229-GEN","price":143.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01AW229_cfb9a8d8-d713-4a32-8ef8-65957cb5d60c.jpg?v=1775026055","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph10ja04200gagaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}