{"product_id":"carrier-pg8jaa036110adja-transformer-h2usbz","title":"OEM Carrier 40VA Transformer HT01BC116 for PG8JAA036110ADJA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01BC116 for Model PG8JAA036110ADJA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8JAA036110ADJA\u003c\/strong\u003e packaged gas furnace. The transformer steps down 120V line voltage to 24V AC, powering the low-voltage control circuit that connects your thermostat, gas valve, inducer relay, and control board. When it fails, the entire control circuit goes dead — the thermostat shows no response, the system won't call for heat, and there is no activity from any 24V component. A failed transformer is often misdiagnosed as a thermostat or control board issue, making correct identification critical before replacing more expensive parts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Factory-matched output impedance | Compact form factor for direct OEM fitment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit meets Carrier's exact VA rating and insulation class. Generic transformers may be under-rated for VA load, causing premature burnout under full 24V circuit demand — especially when multiple zones or accessories are wired in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and confirm zero voltage with a multimeter before touching wiring. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts. Label or photograph all low-voltage wiring before disconnecting. Check for shorted 24V wiring before installing the new transformer to avoid repeat failure.\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 Confirmed fit for Carrier model \u003cstrong\u003ePG8JAA036110ADJA\u003c\/strong\u003e packaged gas furnace. Verify 120V\/24V configuration and VA rating on your unit's data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists verify fitment before every order — contact us before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643208454515,"sku":"CARRIE-PG8JAA036110ADJA-TRANSFORMER-HT01BC116","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643208487283,"sku":"CARRIE-PG8JAA036110ADJA-TRANSFORMER-HT01BC116-GEN","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BC116_4f7b9bd8-7e9f-4ba7-a0cc-ca13c404a2c7.jpg?v=1775016536","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8jaa036110adja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}