OEM Carrier 40VA Control Transformer HT01BC116 for Model PG9MAA036060AFKA

This OEM control transformer is the factory-specified replacement for the Carrier PG9MAA036060AFKA gas furnace. The transformer steps down line voltage (120V) to the 24V AC signal that powers your thermostat circuit, control board, and all low-voltage safety controls. When this transformer fails, the entire control circuit goes dark — the thermostat becomes unresponsive, the furnace will not attempt ignition, and no fault codes will display. Replacing it with the correct OEM part (HT01BC116) restores factory-matched voltage output and VA capacity, protecting your control board from under- or over-voltage damage.

• Specs: 120V primary input | 24V secondary output | 40VA rated | Direct OEM replacement for part number HT01BC116 | Factory-matched wire leads and mounting footprint
• OEM vs Generic: OEM transformers are wound to exact VA tolerance, preventing voltage sag under full control-circuit load. Undersized generic units can cause erratic thermostat behavior, nuisance lockouts, and premature control board failure.
• Install Difficulty: 2/5 — Power down the furnace and confirm voltage is absent at the transformer before proceeding. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, non-contact voltage tester. Photograph all wiring connections before disconnecting leads.
• Warranty: 1-year OEM factory warranty. In-stock units ship same business day from our warehouse.

Compatibility: Engineered as a direct OEM fit for Carrier model PG9MAA036060AFKA gas furnace. Always verify your existing transformer's primary/secondary voltage and VA rating against your unit's data plate before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy.