{"product_id":"carrier-ph13nr042000ahaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V for PH13NR042000AHAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V — HT01AW229 for Model PH13NR042000AHAA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier control transformer (part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH13NR042000AHAA\u003c\/strong\u003e heat pump system. The control transformer steps down line voltage (115, 208, or 230V primary) to a safe 24V secondary signal that powers the entire low-voltage control circuit — including the thermostat, contactor coil, reversing valve, and control board. When this transformer fails, the result is typically a completely unresponsive system: the thermostat goes dark, the contactor won't energize, and no heating or cooling is possible.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA power rating | 115\/208\/230V AC primary (multi-tap) | 24V AC secondary | Foot-mount configuration | 50\/60 Hz | Replaces HT01AW229A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part (FAP), manufactured to exact VA and voltage tolerances. Generic transformers often underperform at rated load, causing nuisance brownouts in the control circuit and premature board failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off all power to the unit before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter (to confirm 24V output after install), needle-nose pliers for spade terminals. Note the primary tap wiring (115V vs 208\/230V) on the original unit before disconnecting — incorrect tap selection will damage downstream components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement for the \u003cstrong\u003eCarrier PH13NR042000AHAA\u003c\/strong\u003e heat pump. Also cross-references part numbers HT01AW229A, CIN-TRAN, 30-BV2006, and 30-1814A. Verify your unit's data plate voltage and VA requirements before ordering. Have a fitment question? Our HVAC parts specialists confirm compatibility before you buy — call or chat today. In stock and ships the same business day.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641864147315,"sku":"CARRIE-PH13NR042000AHAA-TRANSFORMER-HT01AW229","price":190.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641864180083,"sku":"CARRIE-PH13NR042000AHAA-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_4693116b-3247-450e-b7e8-acad134e1865.jpg?v=1775025965","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr042000ahaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}