{"product_id":"carrier-c4850c50zg060500-transformer-h302a1","title":"OEM Carrier 40VA 120V to 24V Control Transformer for C4850C50ZG060500 — Ships Today","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA for Model C4850C50ZG060500\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement control transformer (part# HT01BD236) for the \u003cstrong\u003eCarrier C4850C50ZG060500\u003c\/strong\u003e packaged unit. The transformer steps down 120V line voltage to 24V AC to power the entire low-voltage control circuit — including the thermostat, contactor coil, gas valve, and control board. When this component fails, \u003cstrong\u003enothing works\u003c\/strong\u003e: the thermostat goes blank, the system won't respond to any call for heating or cooling, and you may detect a burnt smell or a tripped fuse on the secondary side.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BD236 | Factory-matched for Carrier packaged unit applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer wound to exact VA and voltage specifications. Generic transformers frequently underperform on VA rating, causing nuisance fuse trips and unreliable control voltage, especially during multi-stage or heat pump demand cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Label or photograph all wire connections before removing the old unit. Secondary fuse should be inspected and replaced if blown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the \u003cstrong\u003eCarrier C4850C50ZG060500\u003c\/strong\u003e packaged gas\/electric unit. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate before ordering. If you're unsure of fitment, our HVAC parts team is available to confirm compatibility before you buy — typically within one business day.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909778231667,"sku":"CARRIE-C4850C50ZG060500-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909778264435,"sku":"CARRIE-C4850C50ZG060500-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_d05f9882-2a1c-4000-bf34-d49d5240864f.jpg?v=1782899216","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zg060500-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}