{"product_id":"carrier-hp13pr03600gakaa-transformer-h4oyjb","title":"OEM Carrier Transformer 40VA 120V\/24V for HP13PR03600GAKAA","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V\/24V for Model HP13PR03600GAKAA\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified control transformer (part number \u003cstrong\u003eHT01AW229\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier HP13PR03600GAKAA\u003c\/strong\u003e heat pump system. The transformer steps down line voltage from 120V to the 24V AC signal that powers your thermostat, control board, and all low-voltage switching components. When this part fails, the entire control circuit goes dark — the thermostat display may go blank, the system won't respond to any calls for heating or cooling, and in some cases a tripped secondary fuse is the only clue pointing back to a shorted transformer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V | Secondary: 24V AC | OEM part number HT01AW229 | Factory-matched to Carrier HP13PR03600GAKAA control circuit requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM transformer is wound to exact VA and voltage tolerances required by the Carrier control board. Undersized or off-tolerance generic units can overheat quickly, blow secondary fuses repeatedly, or damage downstream boards and thermostats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Label all wiring before removing the old transformer. The secondary fuse should also be inspected and replaced if blown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eHP13PR03600GAKAA\u003c\/strong\u003e heat pump. Always verify your unit's data plate and existing transformer VA\/voltage ratings before ordering. If you're unsure of fitment, our HVAC parts specialists are available to confirm compatibility before you buy — same-day shipping available on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909319053683,"sku":"CARRIE-HP13PR03600GAKAA-TRANSFORMER-HT01AW229","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909319086451,"sku":"CARRIE-HP13PR03600GAKAA-TRANSFORMER-HT01AW229-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01AW229_bc6f1ce6-81e7-41c4-a53f-91b958aeb419.jpg?v=1782941672","url":"https:\/\/nationalhvacparts.com\/products\/carrier-hp13pr03600gakaa-transformer-h4oyjb","provider":"National HVAC Parts","version":"1.0","type":"link"}