OEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY2PEB048115AA

This is the factory OEM Direct Spark Ignition (DSI) Control Board for the Carrier PY2PEB048115AA packaged gas/electric unit. The DSI control board serves as the command center for the entire heating sequence — managing ignition timing, gas valve operation, flame sensing, inducer control, and safety lockout logic. When this board fails, symptoms typically include a no-heat condition, repeated ignition lockout codes, erratic cycling, or a furnace that sparks but never sustains a flame. Replacing with the correct OEM board (part number LH33WP002) ensures all factory sequences, timing parameters, and safety thresholds are preserved exactly as designed.

• Part Number & Type: LH33WP002 | Direct Spark Ignition (DSI) Control Board | 460V ignition control module | Factory-original Carrier OEM specification
• OEM vs Generic: OEM control boards carry the exact firmware, timing sequences, and safety logic programmed for your specific unit. Generic aftermarket boards often use approximated timing that can cause nuisance lockouts, improper gas valve sequencing, or voided equipment warranties — making OEM the only recommended choice for DSI boards.
• Install Difficulty: 3/5 — Disconnect power and verify zero voltage at the board before handling. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone/camera for photographing all connector positions before removal. Label all wiring harnesses prior to disconnecting. Always clear fault codes after installation.
• Warranty & Shipping: 1-year OEM factory warranty. In stock and ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed as the direct OEM replacement for Carrier model PY2PEB048115AA packaged units. Verify your existing board's part number against LH33WP002 before ordering. Cross-reference: supersedes LH33WP-002. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you order — no guesswork required.