OEM Carrier 60VA Control Transformer for Model PH12NA06000GACAA

The Carrier HT01AW229 is the factory-specified OEM control transformer for the PH12NA06000GACAA heat pump system. This transformer steps down line voltage (115, 208, or 230VAC primary) to the 24VAC output required to power the entire low-voltage control circuit — including the thermostat, contactor coils, reversing valve, and safety switches. When this transformer fails, the system goes completely unresponsive: the thermostat goes dark, no relays energize, and no heating or cooling is possible. A shorted transformer will often blow the control fuse as well.

• Specs: 60VA rating | Primary: 115 / 208 / 230VAC | Secondary: 24VAC | Foot-mount chassis | OEM part number HT01AW229 | Cross-references: HT01AW229A, CIN-TRAN, 30-BV2006, 30-1814A
• OEM vs Generic: OEM Carrier transformers are wound to exact VA and voltage tolerances, protecting downstream controls from under-voltage brownout or over-voltage damage. Generic transformers often lack proper thermal overload protection, risking repeat failures or board damage.
• Install difficulty: 3/5 — Shut off all power at the disconnect and breaker before beginning. Tools needed: multimeter, flathead and Phillips screwdrivers, needle-nose pliers, wire labels. Test secondary voltage (should read ~24–28VAC) and check for a blown control fuse before condemning the transformer. Always de-energize before touching any terminals.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before 3PM local time.

Compatibility: Designed for the Carrier PH12NA06000GACAA heat pump. Verify primary voltage matches your unit's supply voltage (115V, 208V, or 230V) on the equipment data plate prior to ordering. Our parts specialists are available to confirm fitment — contact us before you order if you have any questions.