{"product_id":"carrier-ph13nr03000gaaaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V-24V — PH13NR03000GAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V–24V for Model PH13NR03000GAAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-replacement control transformer for the \u003cstrong\u003eCarrier PH13NR03000GAAAA\u003c\/strong\u003e heat pump system. The transformer steps down line voltage (115, 208, or 230V) to the 24V control circuit that powers your thermostat, contactor coil, reversing valve, and all low-voltage safety controls. When this transformer fails — whether from a shorted control board, a wiring fault, or simply age — the entire control circuit goes dead: the thermostat goes blank, the system won't respond to any call for heating or cooling, and no low-voltage components will operate. Replacing it with the correct OEM part (HT01AW229) restores full factory-rated performance and protects downstream components from under-voltage stress.\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 | 50\/60 Hz | Foot-mount configuration | Part No. HT01AW229 \/ HT01AW229A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory-authorized part is wound to exact Carrier tolerances, ensuring a stable, clean 24V output. Generic or off-brand transformers often run outside the ±5% voltage tolerance, causing nuisance lockouts, contactor chatter, and premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit before starting. Tools needed: multimeter (to verify incoming voltage tap), flat-head and Phillips screwdrivers, wire nuts or spade terminals, and a wiring diagram (located on the unit door). Always confirm the correct primary voltage tap before energizing. Photo your wiring before disconnecting.\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 PH13NR03000GAAAA\u003c\/strong\u003e heat pump systems. The multi-tap 115\/208\/230V primary makes it suitable across a range of supply voltages — verify your unit's data plate supply voltage and select the correct primary tap during installation. Cross-references include HT01AW229A, CIN-TRAN, 30-BV2006, and 30-1814A. Have a fitment question? Our HVAC parts specialists confirm compatibility before you order — reach out before placing your order and we'll verify the right part for your exact unit.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641877418355,"sku":"CARRIE-PH13NR03000GAAAA-TRANSFORMER-HT01AW229","price":190.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641877451123,"sku":"CARRIE-PH13NR03000GAAAA-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_618b4246-361b-433d-91f2-24900daa858f.jpg?v=1775026117","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr03000gaaaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}