{"product_id":"carrier-pg8maa048070adja-transformer-h2usbz","title":"OEM Carrier Furnace Transformer 120V-24V 40VA — PG8MAA048070ADJA","description":"\u003ch1\u003eOEM Carrier Furnace Control Transformer 120V–24V 40VA for Model PG8MAA048070ADJA\u003c\/h1\u003e\u003cp\u003eThis OEM step-down control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8MAA048070ADJA\u003c\/strong\u003e gas furnace. It converts the 120V line voltage to the 24V AC signal that powers your thermostat, gas valve, inducer relay, and every other low-voltage control in the system. When this transformer fails — or the secondary fuse it feeds blows — absolutely nothing in the control circuit works: no call for heat, no inducer startup, no ignition attempt. Replacing it is the fastest way to restore full furnace operation after a wiring short or overload event.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Primary 120 VAC | Secondary 24 VAC | 40 VA rating | 50\/60 Hz | Single-phase | Wire-lead connections | Compact chassis mount (3″ L × 2-3\/16″ W × 2″ H)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM-spec replacement for Carrier part HT01BC116 (superseded by HT680054). OEM units are wound to exact VA tolerances, protecting downstream components. Generic imports often run under-rated VA, causing nuisance tripping or premature burnout of the secondary winding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off 120V power at the disconnect AND the breaker before touching any wiring. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify 0V before touching). Photo all wiring connections before removal. Discharge any residual voltage with your meter. Typical swap time: 20–30 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship same business day when ordered by 5 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for Carrier model \u003cstrong\u003ePG8MAA048070ADJA\u003c\/strong\u003e gas furnace. Also replaces legacy part numbers HT01BC116, HT01BC115, HT01BB126, HT01CT120, HT01BC120, and several others in the Carrier\/Bryant\/Payne family — confirm your data plate voltage specs (120V primary, 24V secondary, 40VA) before ordering. Have a question about fitment? Our HVAC parts specialists verify compatibility before you buy — call or chat now. \u003cstrong\u003eOrder today and your part ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643000050035,"sku":"CARRIE-PG8MAA048070ADJA-TRANSFORMER-HT01BC116","price":51.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643000082803,"sku":"CARRIE-PG8MAA048070ADJA-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_98baa356-1892-4ae1-b683-a87fbde8fec5.jpg?v=1775031491","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8maa048070adja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}