{"product_id":"carrier-c50a402762-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V-24V for C50A402762","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model C50A402762 — HT01BD236 \/ HT01BD702\u003c\/h1\u003e\u003cp\u003eThis OEM replacement control transformer is the factory-specified unit for the \u003cstrong\u003eCarrier C50A402762\u003c\/strong\u003e packaged system. The transformer steps down 120V primary voltage to the 24V AC signal that powers the entire control circuit — including the thermostat, contactor coil, gas valve, and control board. When it fails, the system goes completely silent: no thermostat response, no contactor pull-in, no ignition sequence. It is often the first component to check when nothing in the system responds at all.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Compatible OEM part numbers: HT01BD236 and HT01BD702 | Factory-matched winding insulation and thermal protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances for the Carrier C50A402762 control circuit. Undersized or off-tolerance generic units can overheat under load, trip internal thermal cutoffs, or deliver unstable 24V output that causes erratic board and thermostat behavior.\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: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Label or photograph all low-voltage wiring before disconnecting terminals.\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 for the \u003cstrong\u003eCarrier C50A402762\u003c\/strong\u003e commercial rooftop\/packaged unit. Cross-references OEM part numbers HT01BD236 and HT01BD702 — both are direct replacements for this application. Always verify your unit's data plate voltage and VA rating before ordering to ensure an exact match. Have a question about fitment? Our HVAC parts specialists confirm compatibility before your order ships.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909685039475,"sku":"CARRIE-C50A402762-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909685072243,"sku":"CARRIE-C50A402762-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_0baaa82a-6229-4ec3-94aa-de18f4cb9925.jpg?v=1782939362","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a402762-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}