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OEM Carrier Furnace Transformer 40VA 120V-24V — PG9MAA060080AFKA
Carrier

OEM Carrier Furnace Transformer 40VA 120V-24V — PG9MAA060080AFKA

SKU: CARRIE-PG9MAA060080AFKA-TRANSFORMER-HT01BC116 Brand: Carrier
✓ Guaranteed to fit PG9MAA060080AFKA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Furnace Transformer 40VA 120V/24V for Model PG9MAA060080AFKA

This is the factory-specified OEM step-down control transformer for the Carrier PG9MAA060080AFKA gas furnace. The transformer converts 120V line voltage to the 24V AC that powers every low-voltage control component in your system — including the thermostat circuit, gas valve, inducer relay, and control board. When the transformer fails, nothing works: the thermostat goes blank, the furnace won't respond to a call for heat, and you may measure 0V between the R and C terminals on the control board. OEM part number HT01BC116 has been superseded by HT680054, the current factory-authorized replacement shipped in a Carrier/Bryant factory parts box.

  • Specs: 40VA rating | 120V primary input | 24V secondary output | 60 Hz single-phase | Foot-mount with wire lead connections | Compact 3" L × 2-3/16" W × 2" H footprint
  • OEM vs Generic: OEM transformers are wound to exact VA and voltage tolerances, protecting downstream components like the control board and gas valve from undervoltage stress. Generic units often run low on secondary voltage under load, causing nuisance lockouts and premature board failure.
  • Install difficulty: 2/5 — Shut off power at the disconnect before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph existing wire connections before removing the old unit. Check for a shorted low-voltage wire (blown fuse or tripped transformer) before installing — replace the transformer without finding the short and it will fail again immediately.
  • Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Direct OEM replacement for Carrier model PG9MAA060080AFKA gas furnace. Also replaces legacy part numbers HT01BC115, HT01BB126, HT01CT120, HT01BC120, HT01AW115, and several others — see compatibility note. Verify 120V primary and 40VA rating on your unit's data plate before ordering. Need fitment confirmation? Our HVAC parts team checks your model before you buy — order now and ships today.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $99
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Transformer fit my Carrier OEM Carrier Furnace Transformer 40VA 120V-24V — PG9MAA060080AFKA?
Yes. This is the factory-specified OEM transformer for the Carrier OEM Carrier Furnace Transformer 40VA 120V-24V — PG9MAA060080AFKA. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the transformer on my Carrier OEM Carrier Furnace Transformer 40VA 120V-24V — PG9MAA060080AFKA?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Photo wiring connections. Step 3: Disconnect wires from old transformer. Step 4: Remove mounting hardware. Step 5: Install new transformer, reconnect wires matching voltage ratings. Step 6: Verify 24V output with multimeter.
My thermostat has no power. What failed?
Thermostat with no display = failed 24V transformer (or blown control board fuse). Check the 3A/5A fuse on the control board first ($1–$5 fix). If fuse is good but no 24V output from transformer, replace transformer.
Is this transformer compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier transformer?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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Mike Rivera
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