{"product_id":"carrier-c4850c50zn060900-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V to 24V for C4850C50ZN060900 — Ships Today","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA for Model C4850C50ZN060900\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier C4850C50ZN060900\u003c\/strong\u003e packaged unit. The transformer steps down 120V line voltage to the 24V signal required to power the control board, thermostat, contactor coil, and all low-voltage safety circuits. When this component fails, the entire control circuit goes dead — the thermostat goes blank, the system will not respond to any call for heating or cooling, and no error codes will appear because the board itself has no power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V | Secondary: 24V | Factory-matched OEM part number HT01BD236 | Engineered to Carrier factory tolerances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage specifications for the C4850C50ZN060900 control circuit. Undersized or off-tolerance generic transformers can overheat, trip their internal breaker repeatedly, or cause erratic low-voltage behavior across multiple components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning work. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify 24V output after install). Photograph or label all wiring connections before removal.\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 Designed for the Carrier \u003cstrong\u003eC4850C50ZN060900\u003c\/strong\u003e packaged unit. Verify primary voltage on your unit's data plate before ordering — some installations may use a 208\/240V primary configuration requiring a different transformer. Our HVAC parts specialists are available to confirm fitment before you order. In stock — ships today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909770891635,"sku":"CARRIE-C4850C50ZN060900-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909770924403,"sku":"CARRIE-C4850C50ZN060900-TRANSFORMER-HT01BD236-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01BD236_716b7953-bd75-40ec-8e1b-993f77793f2d.jpg?v=1782939082","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zn060900-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}