{"product_id":"carrier-ga2aad036091acja-transformer-h2usbz","title":"OEM Carrier 40VA Transformer 24V Control Circuit — GA2AAD036091ACJA","description":"\u003ch1\u003eOEM Carrier 40VA Control Circuit Transformer for Model GA2AAD036091ACJA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier GA2AAD036091ACJA\u003c\/strong\u003e packaged or split-system unit. The transformer steps down line voltage from 120V to 24V to power the entire low-voltage control circuit — including the thermostat, contactor coil, and control board. When this component fails, nothing in the control system responds: the thermostat goes dark, the system won't heat or cool, and no error codes display because the board itself loses power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input 120V AC | Output 24V AC | 40VA rated | OEM part number HT01BC116 | Factory-matched for Carrier GA2AAD036091ACJA control circuit requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances required by Carrier's control board. Undersized or off-tolerance generic transformers can cause intermittent lockouts, nuisance tripping, or premature control board failure — costing far more than the savings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and confirm zero voltage with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, wire nuts or spade connectors, multimeter. Label all wires before removal. The transformer typically mounts to the control panel with two screws and connects via push-on or screw terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and 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 Designed specifically for the Carrier \u003cstrong\u003eGA2AAD036091ACJA\u003c\/strong\u003e unit. Always verify your existing transformer's input\/output voltage and VA rating on the unit's data plate or wiring diagram before ordering to ensure a correct fit. Our parts specialists are available to confirm compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909442654579,"sku":"CARRIE-GA2AAD036091ACJA-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909442687347,"sku":"CARRIE-GA2AAD036091ACJA-TRANSFORMER-HT01BC116-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-HT01BC116_87c6cbda-914b-4297-badb-2c4ab22d5cbe.jpg?v=1782899835","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ga2aad036091acja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}