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OEM Carrier Transformer 40VA 120V-24V for N6A48NG480211
Carrier

OEM Carrier Transformer 40VA 120V-24V for N6A48NG480211

SKU: CARRIE-N6A48NG480211-TRANSFORMER-HT01BC116 Brand: Carrier

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Texas CMBL #19328542014
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OEM Carrier Control Transformer 40VA for Model N6A48NG480211

This OEM replacement transformer (part number HT01BC116) is the factory-specified control circuit transformer for the Carrier N6A48NG480211 packaged unit. The transformer steps line voltage (120V) down to the 24V signal required by your thermostat, contactor coil, gas valve, and control board. When this component fails, the entire control circuit loses power — nothing responds to thermostat calls, and the system goes completely dead. It is often one of the first components to inspect when a unit shows zero activity despite confirmed line voltage.

  • Specs: 40VA rated | 120V primary / 24V secondary | OEM part number HT01BC116 | Factory-matched output tolerance for reliable low-voltage control
  • OEM vs Generic: OEM transformers are wound to Carrier's exact VA and voltage specifications. Generic substitutes frequently run under-rated VA, causing premature burnout when multiple 24V loads (valve + contactor + board) draw simultaneously.
  • Install Difficulty: 2/5 — Disconnect all power before beginning. Tools needed: flathead and Phillips screwdriver, wire stripper, multimeter. Verify 24V output after installation before closing the unit. Label or photograph all wiring connections prior to removal.
  • Warranty: 1-year OEM factory warranty. In-stock units ship the same business day from our warehouse.

Compatibility: Designed specifically for the Carrier N6A48NG480211 packaged gas/electric unit. Confirm your existing transformer's VA rating and primary/secondary voltage on the data plate before ordering. Our fitment team is available to verify compatibility — reach out before you buy if you have any questions. Order today and your part ships the same business day.

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 $75
  • 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 N6A48NG480211?
Yes. This is the factory-specified OEM transformer for the Carrier N6A48NG480211. 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 N6A48NG480211?
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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