OEM Carrier 60VA Control Transformer HT01AW229 for Model PH13NB036000ABAA

This is the factory OEM replacement control transformer for the Carrier PH13NB036000ABAA heat pump system. The transformer steps down line voltage (115/208/230V primary) to the 24VAC secondary voltage that powers the entire low-voltage control circuit — including the thermostat, contactor coil, and safety switches. When this transformer fails, the result is a completely unresponsive system: no thermostat display, no contactor pull-in, and no response to any call for heating or cooling. A failed transformer often trips an inline fuse or shows 0VAC on the secondary terminals when tested with a multimeter.

• Specs: 60VA power rating | 115/208/230V primary voltage | 24VAC secondary voltage | 50/60Hz | Foot-mount configuration | OEM part number HT01AW229
• OEM vs Generic: This factory-authorized OEM transformer is wound to exact Carrier tolerances, ensuring stable 24VAC output under full load. Generic transformers often use lighter gauge windings that sag under peak demand, causing nuisance lockouts and premature contactor coil failure.
• Install difficulty: 2/5 — Always shut off all power (line and control) before starting. Tools needed: multimeter, flathead and Phillips screwdrivers, needle-nose pliers, wire stripper. Label all wires before disconnecting. Verify 24VAC secondary output after installation before closing the panel.
• Warranty: 1-year OEM factory warranty. In-stock and ships the same business day from our warehouse.

Compatibility: Engineered as the direct OEM replacement for Carrier model PH13NB036000ABAA heat pump systems. Also cross-references as HT01AW229A. Verify primary voltage on your unit's data plate (115V, 208V, or 230V) matches your supply voltage before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — no guesswork required.