{"product_id":"carrier-pg9maa060120adka-transformer-h2usbz","title":"OEM Carrier Furnace Transformer 40VA 120V-24V for PG9MAA060120ADKA","description":"\u003ch1\u003eOEM Carrier Furnace Control Transformer 40VA 120V–24V for Model PG9MAA060120ADKA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PG9MAA060120ADKA\u003c\/strong\u003e gas furnace. The transformer is a step-down device that converts the 120V line voltage into the 24V AC signal that powers all low-voltage control components — including the thermostat circuit, gas valve, inducer relay, and control board. When the transformer fails, the furnace goes completely unresponsive: the thermostat shows a call for heat but nothing happens, no inducer starts, and no error codes flash because the control board itself has lost power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary (input) | 24V secondary (output) | 60 Hz | Single phase | Foot-mount configuration | Wire lead connections with insulated female quick-connect terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier replacement (part HT01BC116, updated successor HT680054). OEM transformers are wound to exact VA and voltage tolerances, ensuring the control board and gas valve receive a stable, clean 24V signal. Generic units often run outside tolerance, causing erratic board behavior or premature transformer burnout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off power at the disconnect and breaker before starting. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 0V before touching terminals and 24V output after install). Photograph all wire connections before disconnecting. Note: if the transformer failed due to a short in the low-voltage wiring, the new unit will fail immediately unless the fault is cleared first.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship same business day from our warehouse when ordered before the daily cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for \u003cstrong\u003eCarrier PG9MAA060120ADKA\u003c\/strong\u003e gas furnaces. Also replaces legacy part numbers HT01BC116, HT01BC115, HT01BB126, HT01CT120, HT01BC120, and several additional Carrier\/Bryant\/Payne cross-references. Always verify your unit's data plate voltage and VA requirements before ordering. Have a question about fitment? Our HVAC parts specialists confirm compatibility before you buy — order with confidence and get it shipped today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642260738419,"sku":"CARRIE-PG9MAA060120ADKA-TRANSFORMER-HT01BC116","price":51.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642260771187,"sku":"CARRIE-PG9MAA060120ADKA-TRANSFORMER-HT01BC116-GEN","price":45.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BC116_b3568efa-9470-4bff-a367-b2fa12e9e05d.jpg?v=1775031715","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg9maa060120adka-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}