{"product_id":"carrier-gb1aav060111abja-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V-24V for GB1AAV060111ABJA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01BC116 for Model GB1AAV060111ABJA\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part # HT01BC116) is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier GB1AAV060111ABJA\u003c\/strong\u003e gas furnace. Its job is to step down line voltage from 120V to the 24V signal that powers your thermostat, control board, gas valve, and every other low-voltage component in the system. When this transformer fails, absolutely nothing works — the thermostat goes dark, the furnace will not respond to any call for heat, and you may measure 0V AC at the R and C terminals of the control board. Replacing the transformer is one of the most cost-effective repairs in HVAC service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BC116 | Direct factory replacement with correct mounting footprint and lead configuration\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 the Carrier control board. Undersized or off-tolerance generic transformers can brown out under load, causing nuisance lockouts or premature board failure — the OEM unit is the only reliable long-term fix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the breaker and confirm 0V with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire nuts or spade terminals. Label or photograph all wire connections before disconnecting the old transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders received before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for \u003cstrong\u003eCarrier GB1AAV060111ABJA\u003c\/strong\u003e gas furnaces using OEM part number HT01BC116. Always verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate or old transformer label before ordering. Our parts specialists are available to confirm fitment — reach out before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909414244723,"sku":"CARRIE-GB1AAV060111ABJA-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909414277491,"sku":"CARRIE-GB1AAV060111ABJA-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_1c4dc4d8-ff1f-491f-b103-11cea5d1ac7e.jpg?v=1782939822","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb1aav060111abja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}