{"product_id":"carrier-ph13na042000abaa-transformer-h4oyjb","title":"OEM Carrier Transformer 60VA 115\/208\/230V for PH13NA042000ABAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V — HT01AW229 for Model PH13NA042000ABAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier foot-mounted control transformer (part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier PH13NA042000ABAA\u003c\/strong\u003e heat pump system. The control transformer steps down high-voltage power (115V, 208V, or 230V primary) to the 24V secondary signal voltage that powers your thermostat, contactor coil, and all low-voltage control logic. When this transformer fails, the entire control circuit goes dead — the thermostat loses power, the system won't respond to any calls for heating or cooling, and you may find a blown 3A or 5A fuse on the control board as a secondary symptom.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA rated | Primary voltage: 115 \/ 208 \/ 230 VAC, 60 Hz | Secondary voltage: 24 VAC | Foot-mount configuration | OEM part number HT01AW229 (also supersedes HT01AW229A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part manufactured to exact VA and voltage tolerance specifications. Generic transformers often deviate in secondary voltage output under load, causing nuisance lockouts, erratic thermostat behavior, or premature contactor coil failure. OEM is the only safe choice for this application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm 24V output after install). Label or photograph all low-voltage wiring before disconnecting. Discharge any capacitors present before working inside the cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. In stock and ships same business day from our warehouse. Packed securely to prevent transit damage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for Carrier model \u003cstrong\u003ePH13NA042000ABAA\u003c\/strong\u003e heat pump systems. The multi-tap primary (115\/208\/230V) makes this transformer suitable across varying supply voltage configurations. Always verify the VA rating and mounting style on your unit's data plate before ordering. Not sure it fits? Contact our HVAC parts specialists — we verify fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641934532979,"sku":"CARRIE-PH13NA042000ABAA-TRANSFORMER-HT01AW229","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641934565747,"sku":"CARRIE-PH13NA042000ABAA-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_219d6f3d-e550-4178-a23f-e65890787bdb.jpg?v=1782943066","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13na042000abaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}