{"product_id":"carrier-ph2ppb030000ab-transformer-h3025m","title":"OEM Carrier Transformer 75VA 208\/240\/480V–24V for PH2PPB030000AB","description":"\u003ch1\u003eOEM Carrier 75VA Control Transformer HT01BD242 for Model PH2PPB030000AB\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified control transformer for the \u003cstrong\u003eCarrier PH2PPB030000AB\u003c\/strong\u003e packaged heat pump unit. The transformer steps down high-voltage primary power (208\/240\/480V) to the 24VAC signal voltage that powers the control board, thermostat circuit, and all low-voltage switching components. When this transformer fails, the entire control circuit goes dead — the thermostat goes blank, no contactor closes, and nothing operates. It is a root-cause failure that is often misdiagnosed as a control board or thermostat problem.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Primary Input: 208\/240\/480V | Secondary Output: 24VAC | Power Rating: 75VA | Mounting Style: Foot Mount | Frequency: 50\/60Hz | OEM Part #: HT01BD242\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to exact Carrier factory tolerances. Generic substitutes frequently run at reduced VA capacity, causing brownouts on the 24V circuit under load — leading to erratic lockouts, contactor chatter, and premature board failures.\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. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter (to verify 24VAC output after installation). Label and photograph all low-voltage wiring before disconnecting. Standard foot-mount bracket aligns directly with original mounting holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement for \u003cstrong\u003eCarrier PH2PPB030000AB\u003c\/strong\u003e packaged heat pump units. This 75VA transformer is also used across a wide range of Carrier, Bryant, and Payne packaged units, rooftop units (RTUs), and split systems sharing the same control circuit specification. Always verify input voltage (208\/240\/480V) and VA rating (75VA) against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — ships today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641451368819,"sku":"CARRIE-PH2PPB030000AB-TRANSFORMER-HT01BD242","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641451401587,"sku":"CARRIE-PH2PPB030000AB-TRANSFORMER-HT01BD242-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01BD242_e6ab83f4-00cb-4507-adb9-6c790e1786d9.jpg?v=1782943252","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph2ppb030000ab-transformer-h3025m","provider":"National HVAC Parts","version":"1.0","type":"link"}