{"product_id":"carrier-ph13nr03000gacaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V — PH13NR03000GACAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V for Model PH13NR03000GACAA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PH13NR03000GACAA\u003c\/strong\u003e packaged heat pump unit. The transformer steps down high-voltage line power (115\/208\/230V primary) to the 24V AC signal that powers your thermostat, control board, and every low-voltage relay in the system. When this transformer fails, the entire control circuit goes dead — the thermostat goes blank, the contactor won't pull in, and the system will not respond to any call for heating or cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA rating | Primary voltage: 115\/208\/230V AC | Secondary voltage: 24V AC | 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, wound to exact VA and voltage specifications. Undersized or off-tolerance generic transformers can overheat under full control-circuit load, tripping the thermal overload and causing intermittent lockouts.\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 verify 24V output after install). Label all low-voltage wires before disconnecting. Foot-mount design allows direct bolt-in replacement.\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 Engineered for Carrier model \u003cstrong\u003ePH13NR03000GACAA\u003c\/strong\u003e packaged heat pump units. Verify your existing transformer's VA rating and primary voltage on the data plate before ordering — installing a lower-VA transformer will cause nuisance tripping. Questions about fitment? Our HVAC parts team confirms compatibility before you order. \u003cstrong\u003eIn stock — order now for same-day shipping.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641876631923,"sku":"CARRIE-PH13NR03000GACAA-TRANSFORMER-HT01AW229","price":280.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641876664691,"sku":"CARRIE-PH13NR03000GACAA-TRANSFORMER-HT01AW229-GEN","price":246.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01AW229_c1818272-e62d-463b-ad91-a79fc28a3b3e.jpg?v=1775026017","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr03000gacaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}