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OEM Carrier Integrated Furnace Control Board HK42FZ034 — PG8JAA048070A
OEM Carrier Integrated Furnace Control Board HK42FZ034 — PG8JAA048070A
OEM Carrier Integrated Furnace Control Board HK42FZ034 — PG8JAA048070A
OEM Carrier Integrated Furnace Control Board HK42FZ034 — PG8JAA048070A
Carrier

OEM Carrier Integrated Furnace Control Board HK42FZ034 — PG8JAA048070A

SKU: CARRIE-PG8JAA048070AEJA-CONTROL_BOARD-HK42FZ034 Brand: Carrier
Guaranteed to fit PG8JAA048070A — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Integrated Furnace Control Board HK42FZ034 for Model PG8JAA048070AEJA

This OEM Integrated Furnace Control (IFC) board is the factory-specified replacement for the Carrier PG8JAA048070AEJA gas furnace. The control board is the brain of your heating system — it sequences every stage of furnace operation, from energizing the inducer motor and monitoring the pressure switch, to firing the igniter, proving the flame, and managing blower timing. When it fails, symptoms range from complete no-heat lockout and repetitive error-code flashing to erratic blower behavior, ignition failures that never establish flame, or a furnace that shuts down immediately after startup. Before condemning the board, verify your flame sensor, pressure switches, and limit switches — but if all check out and the unit still misbehaves, the IFC board is the likely culprit.

  • OEM Part Number: HK42FZ034 | Board Refs: CEPL131012-01 / CEBD431012-01A | Factory-authorized exact replacement for Carrier PG8JAA048070AEJA
  • OEM vs Generic: This is the genuine Carrier OEM board, precision-matched to factory firmware and terminal layout. Aftermarket boards often deviate in timing sequences and safety lockout logic, risking nuisance shutdowns or reduced safety protection.
  • Install Difficulty: 3/5 — Photograph all wiring harness connections before removal. Disconnect power and gas before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone or camera for reference photos. Transfer one connector at a time to avoid miswiring.
  • Warranty: 1-year OEM manufacturer warranty. Ships same business day from our climate-controlled warehouse.

Compatibility: Direct OEM replacement for Carrier model PG8JAA048070AEJA gas furnace. Also cross-references boards CEPL131012-01 and CEBD431012-01A. Confirm your existing board's part number against your unit's data plate or wiring diagram before ordering. Our fitment specialists are available to verify compatibility before you buy — no guesswork, no return headaches. In stock 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 Control Board fit my Carrier OEM Carrier Integrated Furnace Control Board HK42FZ034 — PG8JAA048070A?
Yes. This is the factory-specified OEM control board for the Carrier OEM Carrier Integrated Furnace Control Board HK42FZ034 — PG8JAA048070A. 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 control board on my Carrier OEM Carrier Integrated Furnace Control Board HK42FZ034 — PG8JAA048070A?
Difficulty: Advanced (1–2 hrs)
Step 1: Turn off breaker. Step 2: PHOTOGRAPH all wire connections before touching anything. Step 3: Label each wire with tape. Step 4: Disconnect all wires, remove old board. Step 5: Mount new board, reconnect all wires matching your photo exactly. Step 6: Restore power and test all modes. Exact part number match is critical.
My HVAC system is completely dead. What could be wrong?
Completely dead HVAC (no LED on board) = failed control board or blown fuse. Check board fuse first (3A or 5A, costs $1–$5). If fuse is good and board has power but no LED, board is dead. Always photograph wiring before replacing.
Is this control board 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 control board?
OEM essential. Control boards are model-specific with precise firmware and connector layouts. Aftermarket boards rarely match all functions and can cause intermittent failures or safety issues. Always match the exact OEM part number.
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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