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OEM Carrier Furnace Transformer 120V–24V 40VA — PG9MAA060100ABKA
Carrier

OEM Carrier Furnace Transformer 120V–24V 40VA — PG9MAA060100ABKA

SKU: CARRIE-PG9MAA060100ABKA-TRANSFORMER-HT01BC116 Brand: Carrier
✓ Guaranteed to fit PG9MAA060100ABKA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Furnace Transformer 120V–24V 40VA for Model PG9MAA060100ABKA (Replaces HT01BC116)

This OEM step-down transformer is the factory-authorized replacement for the Carrier PG9MAA060100ABKA gas furnace, superseding original part number HT01BC116 with updated part HT680054. The control transformer is the backbone of your furnace's low-voltage circuit — it converts 120V line power down to 24V AC to energize the thermostat, control board, gas valve, and all safety circuits. When this transformer fails, absolutely nothing responds: the thermostat goes blank, the furnace won't fire, and you may measure zero voltage at the R and C terminals on the control board. Replace it first before condemning more expensive components.

  • Specs: 120V primary | 24V secondary | 40VA rating | 50/60 Hz | Single-phase | Wire-lead connections | Foot-mount configuration | Compact 3″ L × 2-3/16″ W × 2″ H
  • OEM vs Generic: This OEM unit is wound to exact Carrier factory tolerances, ensuring stable 24V output under full load. Generic transformers often sag under load, causing intermittent lockouts, nuisance fuse trips, and premature control board failure — a far more expensive repair.
  • Install difficulty: 2/5 — Shut off power at the breaker and confirm zero voltage before disconnecting leads. Photograph all wiring connections before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter to verify 24V output post-install. Check between C (Common) and R (Red) terminals on the control board to confirm correct output.
  • Warranty & Shipping: 1-year OEM manufacturer warranty. In stock — ships same business day from our warehouse. Replaces HT01BC116, HT01BC115, HT01BB126, HT01CT120, HT01BC120, HT01AW115, and other legacy part numbers.

Compatibility: Engineered for the Carrier PG9MAA060100ABKA gas furnace and compatible Carrier, Bryant, and Payne models specifying a 120V–24V 40VA control transformer. Verify your unit's data plate voltage and VA ratings before ordering. Not sure it fits? Our parts team confirms fitment before you buy — reach out before placing your order.

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 120V–24V 40VA — PG9MAA060100ABKA?
Yes. This is the factory-specified OEM transformer for the Carrier OEM Carrier Furnace Transformer 120V–24V 40VA — PG9MAA060100ABKA. 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 120V–24V 40VA — PG9MAA060100ABKA?
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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