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OEM Carrier DSI Control Board LH33WP003 for PY2PNB060090AA
OEM Carrier DSI Control Board LH33WP003 for PY2PNB060090AA
OEM Carrier DSI Control Board LH33WP003 for PY2PNB060090AA
OEM Carrier DSI Control Board LH33WP003 for PY2PNB060090AA
Carrier

OEM Carrier DSI Control Board LH33WP003 for PY2PNB060090AA

SKU: CARRIE-PY2PNB060090AA-CONTROL_BOARD-LH33WP003 Brand: Carrier
✓ Guaranteed to fit PY2PNB060090AA — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY2PNB060090AA

This is the genuine OEM Direct Spark Ignition (DSI) control board for the Carrier PY2PNB060090AA packaged rooftop unit. As the brain of your heating system, the DSI control board manages the complete ignition sequence — from spark ignition and gas valve activation to blower motor staging, flame sensing, and safety lockout. When this board fails, common symptoms include a no-heat condition, repeated ignition lockout faults, erratic blower behavior, or the unit cycling off immediately after startup with no flame established.

  • Specs: Direct Spark Ignition (DSI) microprocessor-based control | Integrated Circuit Board (ICB/IGC) | Controls combustion air, spark igniter, gas valve, blower, and indoor fan motors | Onboard LED fault-code diagnostics for rapid troubleshooting | OEM Part Number: LH33WP003
  • OEM vs Generic: This is a factory-original Carrier OEM board engineered to exact design specifications for the PY2PNB060090AA. Generic or aftermarket boards may not replicate precise ignition timing windows, flame-sensing sensitivity thresholds, or lockout sequencing — risking nuisance faults or unsafe operation. OEM is always the recommended choice for commercial rooftop applications.
  • Install difficulty: 3/5 — Requires shutting off gas supply and disconnecting 24V and line-voltage wiring harnesses. Photograph or label all connectors before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Recommend a qualified HVAC technician for commercial rooftop units.
  • Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse — order by 3 PM local time.

Compatibility: Engineered as the direct factory replacement for Carrier model PY2PNB060090AA packaged rooftop gas/electric units. Always verify OEM part number LH33WP003 against your unit's wiring diagram and data plate before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you buy — contact us today and get your unit back online fast.

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 PY2PNB060090AA?
Yes. This is the factory-specified OEM control board for the Carrier PY2PNB060090AA. 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 PY2PNB060090AA?
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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