OEM Carrier 60VA Control Transformer 115/208/230V–24V for Model PH10JA03600GAFAA

This OEM control transformer (part #HT01AW229) is the factory-specified replacement for the Carrier PH10JA03600GAFAA packaged unit. The transformer steps down high-voltage primary power (115V, 208V, or 230V) to a safe 24V AC output that energizes the entire low-voltage control circuit — including the thermostat, contactor coil, gas valve, and control board. When this transformer fails, the entire system goes dark: no response from the thermostat, no staging, no heat or cooling — nothing works.

• Specs: 60VA rating | 115/208/230V primary | 24V secondary | Multi-tap primary for universal voltage compatibility | Factory-matched OEM tolerances
• OEM vs Generic: This is a genuine Carrier OEM part engineered to exact VA and impedance specifications. Generic transformers often underrate their true VA capacity, leading to overheating, nuisance tripping of the built-in thermal fuse, and premature failure — particularly in high-demand multi-stage systems.
• Install Difficulty: 2/5 — Disconnect all power before servicing. Tools needed: multimeter (verify 24V output after install), wire nuts or spade terminals, flathead/Phillips screwdrivers. Always confirm secondary voltage reads 24–28V AC under load before buttoning up the cabinet.
• Warranty: 1-year OEM factory warranty against defects. Ships same business day from our warehouse — order by 3 PM local time.

Compatibility: Designed and factory-matched for the Carrier PH10JA03600GAFAA packaged unit. Also cross-compatible with select Bryant and Payne equipment using the same 115/208/230V–24V 60VA transformer specification — always verify your unit's data plate voltage and VA rating before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you buy.