{"product_id":"carrier-ph13nr024000aaaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V-24V — PH13NR024000AA","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V–24V for Model PH13NR024000AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH13NR024000AAAA\u003c\/strong\u003e heat pump system. The control transformer steps down high-voltage line power (115\/208\/230V) to the 24V AC signal that energizes your thermostat, contactor coils, and all low-voltage control circuits. When this transformer fails, the entire control circuit goes dead — your thermostat will go blank, the unit will not respond to calls for heating or cooling, and no components will activate. A failed transformer can also trip a fuse or circuit breaker on the secondary (24V) side, so always check for downstream shorts before installing a replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA power rating | 115\/208\/230 VAC multi-tap primary | 24 VAC secondary | 50\/60 Hz | Foot-mount configuration | OEM part# HT01AW229\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part. OEM transformers are wound to exact VA and voltage tolerances, ensuring reliable 24V output under full control-circuit load. Generic transformers often run undersized VA ratings, causing voltage sag that leads to contactor chatter and premature board failure.\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 proceeding. Tools needed: multimeter (confirm 0V before touching wires), flathead and Phillips screwdrivers, wire stripper, needle-nose pliers. Always verify the secondary fuse or inline fuse holder is intact and check for wiring shorts before energizing the new transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered and tested for the Carrier \u003cstrong\u003ePH13NR024000AAAA\u003c\/strong\u003e heat pump system. Also cross-references with HT01AW229A. Verify your unit's data plate primary voltage configuration (115V, 208V, or 230V) before connecting to ensure the correct tap is used. Have a question about fitment? Our HVAC parts specialists confirm compatibility before you order — contact us today and get your system back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641890165107,"sku":"CARRIE-PH13NR024000AAAA-TRANSFORMER-HT01AW229","price":161.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641890197875,"sku":"CARRIE-PH13NR024000AAAA-TRANSFORMER-HT01AW229-GEN","price":141.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01AW229_e3675603-cca4-40f6-9861-f9f0ef32cb5d.jpg?v=1775026106","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr024000aaaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}