{"product_id":"carrier-ph1peb048000aaaa-transformer-h3025m","title":"OEM Carrier Transformer 75VA 208\/240\/480V–24V for PH1PEB048000AAAA","description":"\u003ch1\u003eOEM Carrier 75VA Control Transformer HT01BD242 for Model PH1PEB048000AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier transformer (part #HT01BD242) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH1PEB048000AAAA\u003c\/strong\u003e packaged heat pump unit. The control transformer steps down the high-voltage supply (208\/240\/480V primary) to a safe 24VAC secondary signal that powers the entire low-voltage control circuit — including the thermostat, contactor coil, and control board. When this transformer fails, the result is total loss of 24V control power: the system will not respond to the thermostat, will not energize the contactor, and nothing will operate. A failed transformer is often confirmed with a multimeter by measuring zero or severely reduced voltage at the 24V secondary terminals.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Primary Input: 208\/240\/480VAC | Secondary Output: 24VAC | Power Rating: 75VA | Frequency: 50\/60Hz | Mounting Style: Foot Mount | OEM Part #: HT01BD242\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer wound to exact factory VA and voltage specifications. Generic transformers often carry looser tolerances, which can cause under-voltage conditions that destabilize the control board and reduce contactor coil life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting line-voltage wiring from the primary terminals. Always shut off power at the disconnect and verify with a non-contact voltage tester before proceeding. Tools needed: flathead and Phillips screwdrivers, wire nuts or spade terminals, multimeter. Label all wires before disconnecting.\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 for the Carrier \u003cstrong\u003ePH1PEB048000AAAA\u003c\/strong\u003e packaged heat pump unit. This transformer is also used across a wide range of Carrier, Bryant, Payne, and ICP-family equipment sharing the same 208\/240\/480V-to-24VAC 75VA control circuit requirement. Verify your unit's data plate voltage and VA rating before ordering. Our fitment team is available to confirm compatibility before you purchase — reach out before you order and ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641652826483,"sku":"CARRIE-PH1PEB048000AAAA-TRANSFORMER-HT01BD242","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641652859251,"sku":"CARRIE-PH1PEB048000AAAA-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_ce4989a4-c41d-422c-86b8-f2713b40bf7a.jpg?v=1782943212","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph1peb048000aaaa-transformer-h3025m","provider":"National HVAC Parts","version":"1.0","type":"link"}