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OEM Carrier DSI Control Board LH33WP003 for PY1RJA060115AAWA
OEM Carrier DSI Control Board LH33WP003 for PY1RJA060115AAWA
OEM Carrier DSI Control Board LH33WP003 for PY1RJA060115AAWA
OEM Carrier DSI Control Board LH33WP003 for PY1RJA060115AAWA
Carrier

OEM Carrier DSI Control Board LH33WP003 for PY1RJA060115AAWA

SKU: CARRIE-PY1RJA060115AAWA-CONTROL_BOARD-LH33WP003 Brand: Carrier
✓ Guaranteed to fit PY1RJA060115AAWA — 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 PY1RJA060115AAWA

This is the genuine OEM Carrier Direct Spark Ignition (DSI) control board, part number LH33WP003, factory-specified for the Carrier PY1RJA060115AAWA packaged rooftop unit. The DSI control board is the brain of your unit's heating system — it orchestrates spark ignition sequencing, gas valve activation, combustion blower and indoor fan motor operation, flame sensing, and safety lockout logic. When this board fails, you'll typically experience a no-heat condition, repeated ignition lockouts, or a unit that attempts to light and then shuts down within seconds without ever establishing a steady flame.

  • Part Type: Direct Spark Ignition (DSI) Integrated Control Board | OEM Part # LH33WP003 | Microprocessor-based design with onboard LED fault-code diagnostics for rapid troubleshooting
  • OEM vs Generic: This is the genuine Carrier factory part — not an aftermarket substitute. OEM boards are calibrated to exact ignition timing, flame-sensing thresholds, and safety lockout sequences specified for the PY1RJA060115AAWA. Aftermarket boards may introduce timing drift or incompatible lockout logic that can void equipment warranties.
  • Install Difficulty: 3/5 — Requires disconnecting 120V power at the disconnect box before service. Label or photograph all harness connectors before removal. Tools needed: ¼" and 5/16" nut drivers, needle-nose pliers, multimeter (to verify 24V control circuit). Typical replacement time: 30–45 minutes for a qualified technician.
  • Warranty: 1-year OEM manufacturer warranty against defects. Ships same business day from our warehouse — order by 3 PM local time for next-day delivery to most ZIP codes.

Compatibility: Engineered as the direct OEM replacement for the Carrier PY1RJA060115AAWA packaged rooftop gas/electric unit. Always verify your existing board's part number against LH33WP003 on the board label or unit data plate before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — no guesswork, no return hassle.

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 PY1RJA060115AAWA?
Yes. This is the factory-specified OEM control board for the Carrier PY1RJA060115AAWA. 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 PY1RJA060115AAWA?
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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