{"product_id":"carrier-ph13nr02400gaaaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V — HT01AW229 for PH13","description":"\u003ch1\u003eOEM Carrier 60VA Control Transformer HT01AW229 for Model PH13NR02400GAAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory-authorized OEM control transformer (part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PH13NR02400GAAAA\u003c\/strong\u003e heat pump system. The control transformer steps down high-voltage line power (115\/208\/230VAC) to the safe 24VAC signal used by thermostats, contactors, and all low-voltage control circuits. When this transformer fails, the entire control circuit loses power — the thermostat goes blank, the system refuses any commands, and you may hear a faint buzz or hum from the transformer housing. Replacing it restores full system operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60VA power rating | 115\/208\/230 VAC primary (multi-tap) | 24 VAC secondary | 50\/60 Hz | Foot-mount style | OEM part number HT01AW229\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact Carrier factory tolerances, ensuring stable 24V output under full load. Off-brand units often deliver inconsistent voltage, leading to nuisance lockouts, contactor chatter, and shortened control board life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before starting. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter (to verify 0V before touching terminals and 24VAC output after). Always label and photograph existing wiring before disconnecting. Foot-mount style may require bracket removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This transformer is the OEM-specified replacement for the \u003cstrong\u003eCarrier PH13NR02400GAAAA\u003c\/strong\u003e heat pump. Also cross-references for select Bryant and Payne units using the same 60VA, 115\/208\/230V–24V specification. Always verify your unit's data plate voltage requirements match before installing. Our team is available to confirm fitment — reach out before you order if you have any questions, and we'll get you the right part the first time.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641883709811,"sku":"CARRIE-PH13NR02400GAAAA-TRANSFORMER-HT01AW229","price":237.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641883742579,"sku":"CARRIE-PH13NR02400GAAAA-TRANSFORMER-HT01AW229-GEN","price":209.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01AW229_c2d4038e-a2d0-4b4d-9c87-27ef30e54051.jpg?v=1775025983","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr02400gaaaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}