{"product_id":"carrier-ph11ja024000aaaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V for PH11JA024000AAAA","description":"\u003ch1\u003eOEM Carrier 60VA Control Transformer HT01AW229 for Model PH11JA024000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM control transformer for the \u003cstrong\u003eCarrier PH11JA024000AAAA\u003c\/strong\u003e packaged heat pump unit. The transformer steps down the high-voltage line supply (115, 208, or 230V primary) to the 24V AC secondary voltage that powers the entire low-voltage control circuit — including the thermostat, contactors, reversing valve, and safety controls. When this transformer fails, the result is total loss of control voltage: the thermostat goes blank, the unit ignores all calls for heating or cooling, and no low-voltage components respond. A failed or shorted transformer is one of the most common causes of a completely non-responsive HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA power rating | 115\/208\/230V AC multi-tap primary | 24V AC secondary | 50\/60 Hz | Foot-mount configuration | OEM Part Number: HT01AW229\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 and voltage tolerances, protecting downstream low-voltage components. Generic substitutes often use inferior core materials, run hot under load, and can damage control boards — always use OEM in packaged units where board replacement is costly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power before beginning. Tools needed: multimeter (verify 0V before touching), screwdrivers, wire nuts or terminals, and a wiring diagram (located on the unit's access panel). Always confirm primary voltage tap matches your supply voltage (115V, 208V, or 230V) before energizing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. 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 model PH11JA024000AAAA\u003c\/strong\u003e. Also cross-references as HT01AW229A. Verify your unit's primary voltage supply (115V, 208V, or 230V) and confirm the 60VA rating before ordering. Have a question about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641976967539,"sku":"CARRIE-PH11JA024000AAAA-TRANSFORMER-HT01AW229","price":190.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641977000307,"sku":"CARRIE-PH11JA024000AAAA-TRANSFORMER-HT01AW229-GEN","price":167.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01AW229_1c574ac9-3aee-4a4f-a67f-b1b068dd9630.jpg?v=1775025916","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph11ja024000aaaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}