{"product_id":"carrier-ph2peb042000ab-transformer-h3025m","title":"OEM Carrier Control Transformer 120V-24V 40VA for PH2PEB042000AB","description":"\u003ch1\u003eOEM Carrier Control Transformer 120V–24V 40VA for Model PH2PEB042000AB\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01BD242\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH2PEB042000AB\u003c\/strong\u003e packaged heat pump unit. The transformer steps down 120V line voltage to the 24V signal voltage that powers your thermostat, control board, contactor coil, and all low-voltage safety circuits. When this transformer fails, \u003cem\u003enothing works\u003c\/em\u003e — the thermostat goes blank, the unit will not respond to any call for heating or cooling, and you may measure 0V on the R and C terminals of the control board. It is one of the most common single-point failures in any packaged HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Primary voltage: 120V AC | Secondary voltage: 24V AC | VA rating: 40VA | Factory OEM part number: HT01BD242 | Meets original factory electrical specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier transformer, wound and rated to exact factory tolerances. Generic transformers frequently run under-rated VA capacity, causing thermal overloads, nuisance fuse failures, and shortened control board life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power to the unit at the disconnect before servicing. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label or photograph all low-voltage wiring before disconnecting. Verify 24V output with a multimeter after installation before restoring full power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturing defects. 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 and factory-matched for the \u003cstrong\u003eCarrier PH2PEB042000AB\u003c\/strong\u003e packaged heat pump (4-ton, R-410A). Always confirm your unit's data plate shows the HT01BD242 part number or matching 120V\/24V\/40VA transformer specification before ordering. Our team is available to verify fitment — order with confidence and get same-day shipping directly to your door.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641477091699,"sku":"CARRIE-PH2PEB042000AB-TRANSFORMER-HT01BD242","price":35.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641477124467,"sku":"CARRIE-PH2PEB042000AB-TRANSFORMER-HT01BD242-GEN","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BD242_9df8a222-0c73-41f3-ae14-be74a1143a38.jpg?v=1775025354","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph2peb042000ab-transformer-h3025m","provider":"National HVAC Parts","version":"1.0","type":"link"}