{"product_id":"carrier-pg8daa036095aaja-transformer-h2usbz","title":"OEM Carrier Furnace Transformer 40VA 120\/24V — PG8DAA036095AAJA","description":"\u003ch1\u003eOEM Carrier Furnace Control Transformer 40VA 120V\/24V for Model PG8DAA036095AAJA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8DAA036095AAJA\u003c\/strong\u003e gas furnace. It steps down 120V line voltage to the 24V DC signal that powers the thermostat, control board, gas valve, and every low-voltage circuit in your system. When this transformer fails, the furnace goes completely dead — no thermostat response, no ignition attempt, no fan activity. It is one of the most overlooked root causes of a furnace that appears to have total electrical failure. OEM part number \u003cstrong\u003eHT01BC116\u003c\/strong\u003e has been superseded; current OEM replacement is \u003cstrong\u003eHT680054\u003c\/strong\u003e, which is the part supplied.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary | 24V secondary | Step-down design | Wire-lead connection type | Factory-matched output tolerance\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 cause erratic thermostat behavior, nuisance lockouts, and premature board failure — not worth the small savings.\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 wire leads before disconnecting the old transformer. Swap leads one at a time to prevent miswiring.\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.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003ePG8DAA036095AAJA\u003c\/strong\u003e gas furnace. Also compatible with Bryant and Payne units sharing the same transformer specification. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate before ordering. Our fitment team is available to confirm compatibility before you purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643235455347,"sku":"CARRIE-PG8DAA036095AAJA-TRANSFORMER-HT01BC116","price":46.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643235488115,"sku":"CARRIE-PG8DAA036095AAJA-TRANSFORMER-HT01BC116-GEN","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BC116_9eef1891-8362-4984-a299-8c35227e0519.jpg?v=1775031666","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8daa036095aaja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}