{"product_id":"carrier-ph13nr024000acaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V-24V — PH13NR024000AC","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V–24V for Model PH13NR024000ACAA\u003c\/h1\u003e\u003cp\u003eThis factory-authorized OEM control transformer is the direct replacement for the \u003cstrong\u003eCarrier PH13NR024000ACAA\u003c\/strong\u003e heat pump. The transformer steps primary line voltage (115, 208, or 230 VAC) down to the 24 VAC signal voltage that powers the entire low-voltage control circuit — including the thermostat, contactors, reversing valve, and safety controls. When this transformer fails, the result is a completely unresponsive system: the thermostat goes blank, no relays click, and nothing starts. A blown fuse on the secondary side is often the first sign; if the fuse keeps blowing, a failed transformer is a primary suspect.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA power rating | 115\/208\/230 VAC primary (multi-tap) | 24 VAC secondary | 50\/60 Hz | Foot-mount configuration | OEM part number HT01AW229\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a Factory Authorized Part (FAP) built to Carrier's exact VA rating and insulation class. Undersized or off-tolerance generic transformers can overheat, trip thermal cutouts prematurely, and void system warranties — especially on variable-stage heat pump platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify voltage is zero with a multimeter before touching wiring. Tools needed: multimeter, flathead and Phillips screwdrivers, needle-nose pliers. Photograph all wire connections before disconnecting. Confirm primary tap selection (115V vs 208\/230V) matches your supply voltage before re-energizing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eCarrier PH13NR024000ACAA\u003c\/strong\u003e heat pump. The multi-tap primary (115\/208\/230V) makes this transformer suitable across a broad range of Carrier, Bryant, and Payne equipment sharing the same control platform. Always verify the OEM part number on the original transformer's label before ordering. Have a fitment question? Our HVAC parts team confirms compatibility before you buy — just reach out.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641888461171,"sku":"CARRIE-PH13NR024000ACAA-TRANSFORMER-HT01AW229","price":162.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641888493939,"sku":"CARRIE-PH13NR024000ACAA-TRANSFORMER-HT01AW229-GEN","price":142.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01AW229_25d50ee0-93af-41d4-81e8-52ce36521fd7.jpg?v=1775026109","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr024000acaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}