{"product_id":"carrier-ph13nr04200gaeaa-transformer-h4oyjb","title":"OEM Carrier Control Transformer 60VA 115\/208\/230V-24V — PH13NR04200GAE","description":"\u003ch1\u003eOEM Carrier Control Transformer 60VA 115\/208\/230V-24V for Model PH13NR04200GAEAA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH13NR04200GAEAA\u003c\/strong\u003e heat pump system. The transformer steps down high-voltage primary power (115\/208\/230 VAC) to the 24 VAC control circuit voltage that powers your thermostat, contactor coil, and all low-voltage safety controls. When this transformer fails, the entire control circuit goes dead — the thermostat loses power, the system won't respond to calls for heating or cooling, and there is no 24V present at the control board. A failed transformer is a common root cause of a system that appears completely unresponsive.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 60 VA power rating | 115\/208\/230 VAC primary voltage | 24 VAC secondary voltage | 50\/60 Hz | Foot-mount configuration | Factory-matched OEM part number HT01AW229\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound and rated to exact factory VA tolerance, ensuring the control circuit isn't starved under peak demand (multiple zone valves, economizers, or accessory loads). Undersized or out-of-spec generic transformers can cause nuisance tripping of the internal thermal fuse, putting you right back to square one.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power before working on the transformer. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Confirm 24 VAC output before re-energizing the full system. Always photograph or label wire connections prior to removal.\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 a direct OEM drop-in replacement for the \u003cstrong\u003eCarrier PH13NR04200GAEAA\u003c\/strong\u003e heat pump. Also cross-references as HT01AW229A. Verify primary voltage tap matches your unit's supply voltage (115V, 208V, or 230V) before wiring. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641862672755,"sku":"CARRIE-PH13NR04200GAEAA-TRANSFORMER-HT01AW229","price":162.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641862705523,"sku":"CARRIE-PH13NR04200GAEAA-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_0b668636-b9d1-42f9-b5eb-b1c116141ca4.jpg?v=1775026122","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr04200gaeaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}