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OEM Carrier DSI Control Board LH33WP002 for PY3PEA048090AB
OEM Carrier DSI Control Board LH33WP002 for PY3PEA048090AB
OEM Carrier DSI Control Board LH33WP002 for PY3PEA048090AB
OEM Carrier DSI Control Board LH33WP002 for PY3PEA048090AB
Carrier

OEM Carrier DSI Control Board LH33WP002 for PY3PEA048090AB

SKU: CARRIE-PY3PEA048090AB-CONTROL_BOARD-LH33WP002 Brand: Carrier
✓ Guaranteed to fit PY3PEA048090AB — 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 LH33WP002 for Model PY3PEA048090AB

This is the genuine OEM Carrier Direct Spark Ignition (DSI) Control Board, part number LH33WP002, factory-specified for the Carrier PY3PEA048090AB packaged unit. As the central brain of your heating system, this board sequences the entire ignition cycle — commanding the inducer motor, gas valve, spark igniter, and flame sensing circuit in precise coordination. When this board fails, symptoms typically include a hard no-heat lockout, repeated ignition attempts with no flame establishment, erratic short-cycling, or a complete loss of heating function with no blower response. Replacing it with the genuine OEM part ensures the factory-programmed timing sequences, safety lockout logic, and fault code diagnostics are fully preserved.

  • Part Specs: Direct Spark Ignition (DSI) control board | 460V application | OEM part number LH33WP002 | Supersedes LH33WP002A | Factory-matched for Carrier PY-series packaged units
  • OEM vs Generic: Genuine Carrier OEM boards retain factory-programmed ignition timing, retry logic, and safety lockout thresholds. Aftermarket boards can introduce off-spec timing that leads to nuisance lockouts, gas valve wear, or voided equipment warranties.
  • Install Difficulty: 3/5 — Requires disconnecting 120V/24V wiring harnesses and documenting terminal assignments before removal. Tools needed: Phillips and flat-head screwdrivers, needle-nose pliers, multimeter for post-install verification. Recommended for qualified HVAC technicians; always disconnect power at the disconnect box before servicing.
  • Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier PY3PEA048090AB packaged gas/electric unit. Also fits select Carrier, Bryant, and Payne models in the 48, 574, 580, 581, 582, 583, 588, 589, and PY series — verify your OEM part number on the board or unit data plate before ordering. Need fitment confirmation? Our parts specialists verify compatibility before you buy.

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 PY3PEA048090AB?
Yes. This is the factory-specified OEM control board for the Carrier PY3PEA048090AB. 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 PY3PEA048090AB?
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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