{"product_id":"carrier-pg9maa036080aeka-transformer-h2usbz","title":"OEM Carrier 40VA Transformer 120V-24V for PG9MAA036080AEKA — HT01BC116","description":"\u003ch1\u003eOEM Carrier 40VA Transformer 120V-24V for Model PG9MAA036080AEKA — Part HT01BC116 \/ HT680054\u003c\/h1\u003e\u003cp\u003eThis OEM control circuit transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PG9MAA036080AEKA\u003c\/strong\u003e gas furnace. The transformer steps down 120V line voltage to 24V AC, powering every low-voltage component in the system — thermostat, gas valve, inducer relay, and control board. When it fails, the result is total silence: no thermostat response, no ignition attempt, and no blower activity. A blown fuse, a shorted low-voltage wire, or age-related coil degradation are the most common causes of transformer failure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 120V AC primary | 24V AC secondary | 60 Hz | Foot-mount configuration | Wire lead connections with insulated female connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a factory-authorized OEM replacement (current shipping part HT680054, superseding HT01BC116). OEM transformers maintain precise voltage regulation under load. Generic units often deliver unstable secondary voltage, causing erratic board behavior and nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old transformer. Check for shorted low-voltage wiring before energizing — a wiring short is the leading cause of repeat transformer failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse. Supersedes: HT01BC116, HT01BC116B, HT01BC115, HT01BB126, HT01CT120, HT01BC120, 322666-701, 322953-302, B1810113.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM fit for the Carrier \u003cstrong\u003ePG9MAA036080AEKA\u003c\/strong\u003e gas furnace. Also compatible with a wide range of Carrier, Bryant, and Payne furnaces using the 120V-24V 40VA transformer specification — verify your existing transformer's voltage and VA rating on the data plate before ordering. Questions about fitment? Our HVAC parts specialists verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642369331571,"sku":"CARRIE-PG9MAA036080AEKA-TRANSFORMER-HT01BC116","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642369364339,"sku":"CARRIE-PG9MAA036080AEKA-TRANSFORMER-HT01BC116-GEN","price":52.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BC116_a0dd8bfd-c794-4c63-9039-f948d30aa908.jpg?v=1775016281","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg9maa036080aeka-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}