{"product_id":"carrier-ph1pnb060000aaaa-transformer-h3025m","title":"OEM Carrier Transformer 75VA 208\/240\/480V–24V for PH1PNB060000AAAA","description":"\u003ch1\u003eOEM Carrier 75VA Control Transformer HT01BD242 for Model PH1PNB060000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM replacement control transformer for the \u003cstrong\u003eCarrier PH1PNB060000AAAA\u003c\/strong\u003e packaged HVAC unit. The transformer steps down high-voltage line power — 208V, 240V, or 480V primary — to the 24VAC signal voltage that powers your thermostat, contactor coil, control board, and all low-voltage safety circuits. When this transformer fails, the entire control circuit goes dead: the thermostat goes blank, the system will not respond to any call for heating or cooling, and no safety lockout codes can even be generated. It is often the first component to check when a unit appears completely unresponsive despite confirmed line voltage at the disconnect.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 75VA rating | Primary: 208 \/ 240 \/ 480V | Secondary: 24VAC | 50\/60 Hz | Foot-mount configuration | OEM Part Number: HT01BD242\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory-original Carrier transformer is wound to exact 75VA capacity and voltage tolerances. Generic alternatives often run undersized VA ratings, causing overheating and premature failure — especially in multi-stage or heat pump systems with higher 24V circuit loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and verify zero voltage before removing the old transformer. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, non-contact voltage tester. Label all 24V secondary wires before disconnecting. Foot-mount bracket makes for straightforward swapout inside the control compartment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by Carrier OEM factory warranty. In-stock units ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PH1PNB060000AAAA\u003c\/strong\u003e packaged unit. Also cross-compatible with select Carrier, Bryant, Payne, Tempstar, and Heil systems specifying the HT01BD242 transformer. Always verify primary voltage, VA rating, and mount style against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — call or chat today and we'll get your unit back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641567826291,"sku":"CARRIE-PH1PNB060000AAAA-TRANSFORMER-HT01BD242","price":70.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641567859059,"sku":"CARRIE-PH1PNB060000AAAA-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_f3817d6d-1d82-40a8-ad42-213b4801e927.jpg?v=1782943224","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph1pnb060000aaaa-transformer-h3025m","provider":"National HVAC Parts","version":"1.0","type":"link"}