{"product_id":"carrier-ph13nr024000aeaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V-24V — PH13NR024000AE","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V–24V for Model PH13NR024000AEAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement control transformer for the \u003cstrong\u003eCarrier PH13NR024000AEAA\u003c\/strong\u003e heat pump system. The transformer steps down line voltage (115, 208, or 230 VAC primary) to the 24 VAC secondary signal that powers the thermostat, contactor coil, and all low-voltage control circuits. When this transformer fails — due to a shorted wire, control board fault, or age-related insulation breakdown — the entire control circuit goes dead: the thermostat goes blank, the system won't respond to any call for heating or cooling, and no fault codes are displayed. Replacing the transformer with the correct OEM unit restores full 24V control circuit operation immediately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA power rating | Primary voltage: 115 \/ 208 \/ 230 VAC (multi-tap) | Secondary voltage: 24 VAC | 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 impedance specifications, protecting downstream control boards from voltage sag. Generic 60VA units often use lower-grade core laminations that overheat under sustained load, risking secondary damage to the control board.\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, needle-nose pliers, multimeter (to confirm 24V output post-install). Note primary tap wiring carefully — multi-tap transformers must be connected to the correct primary voltage or secondary output will be incorrect. Always photograph existing wiring before disconnecting.\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 Direct OEM fit for the Carrier \u003cstrong\u003ePH13NR024000AEAA\u003c\/strong\u003e heat pump. Cross-references include HT01AW229A. Verify your unit's data plate primary voltage (115V, 208V, or 230V) to confirm correct tap wiring before installation. Questions about fitment? Our HVAC parts specialists verify compatibility before every order — reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641887674739,"sku":"CARRIE-PH13NR024000AEAA-TRANSFORMER-HT01AW229","price":162.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641887707507,"sku":"CARRIE-PH13NR024000AEAA-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_eef7c6b3-ee43-4162-80fa-f744ed3c0e40.jpg?v=1775026112","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr024000aeaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}