{"product_id":"carrier-ph12na03600gagaa-transformer-h4oyjb","title":"OEM Carrier Transformer 60VA 115\/208\/230V for PH12NA03600GAGAA","description":"\u003ch1\u003eOEM Carrier 60VA Control Transformer HT01AW229 for Model PH12NA03600GAGAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-authorized replacement control transformer for the \u003cstrong\u003eCarrier PH12NA03600GAGAA\u003c\/strong\u003e packaged heat pump unit. The transformer steps down high-voltage supply power (115\/208\/230V) to the 24V signal used by thermostats, contactors, and the unit's control board. When this transformer fails, the result is a completely unresponsive system — no thermostat communication, no relay actuation, and no call-for-cooling or call-for-heating response. Replacing it with the correct OEM part restores the full 24V control circuit instantly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA | Primary: 115\/208\/230V | Secondary: 24V | Foot-mounted configuration | OEM Part # HT01AW229 (supersedes HT01AW229A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part. OEM transformers are wound to exact VA ratings and insulation class for the PH12NA03600GAGAA. Generic substitutes often run below rated VA output, causing nuisance tripping of low-voltage fuses and premature board failures.\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, nut driver set, multimeter (verify 24VAC output after install). Always discharge any residual voltage before handling wiring. Label all 24V low-voltage wires before disconnecting.\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 Carrier \u003cstrong\u003ePH12NA03600GAGAA\u003c\/strong\u003e packaged heat pump. Verify your unit's data plate primary voltage (115V, 208V, or 230V) before ordering — this transformer covers all three primary configurations. Have your model and serial number ready and our team will confirm fitment before you order. \u003cstrong\u003eOrder now and ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641954029939,"sku":"CARRIE-PH12NA03600GAGAA-TRANSFORMER-HT01AW229","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641954062707,"sku":"CARRIE-PH12NA03600GAGAA-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_d2cd3641-ba14-4dc6-bfb8-77e7c9ac2ced.jpg?v=1782943039","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph12na03600gagaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}