{"product_id":"carrier-pg8maa060155aaja-transformer-h2usbz","title":"OEM Carrier Furnace Transformer 40VA 120V-24V for PG8MAA060155AAJA","description":"\u003ch1\u003eOEM Carrier Furnace Control Transformer 40VA 120V–24V for Model PG8MAA060155AAJA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM step-down control transformer for the \u003cstrong\u003eCarrier PG8MAA060155AAJA\u003c\/strong\u003e gas furnace, replacing original part number \u003cstrong\u003eHT01BC116\u003c\/strong\u003e (current OEM equivalent: HT680054). The transformer converts 120V line voltage to 24V AC, powering every low-voltage component in the system — including the control board, thermostat circuit, gas valve coil, and inducer relay. When it fails, the result is typically a completely unresponsive furnace: the thermostat calls for heat but nothing happens, the control board shows no activity, or the system trips a low-voltage fuse repeatedly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA capacity | 120V primary \/ 24V secondary | 60 Hz single-phase | Wire-lead connection with foot-mount bracket | Compact form factor: 3″ L × 2⅛″ W × 2″ H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances, protecting sensitive control boards and gas valve coils from under- or over-voltage. Generic units often run off-spec, increasing the risk of nuisance fuse trips and premature board failures.\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 (to verify 24V output post-install). Photograph all wire connections before disconnecting the old transformer. Note: HT01BC116 has been superseded — this ships as the current OEM part HT680054, a direct drop-in replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock orders ship same business day when placed by 5 PM EST.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003ePG8MAA060155AAJA\u003c\/strong\u003e gas furnace. Also replaces HT01BC115, HT01BB126, HT01CT120, HT01BC120, HT01AW115, HT01AA012, HT01AQ110, HT01CT210, 322666-701, 322953-302, and B1810113. Confirm primary voltage (120V) on your unit's data plate before ordering. Need help verifying fitment? Our HVAC parts specialists are standing by.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642942706035,"sku":"CARRIE-PG8MAA060155AAJA-TRANSFORMER-HT01BC116","price":51.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642942738803,"sku":"CARRIE-PG8MAA060155AAJA-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_d8f056b4-1b2b-4b38-b744-89aac82ca979.jpg?v=1775031694","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8maa060155aaja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}