Glowworm Ultimate/Economy SIT 830 Tandem 0830010 Gas Valve 2000801020 E25-264

🔧 Glow-worm 2000801020 PCB – Models It Fits

Part: 2000801020

• Type: Printed Circuit Board (main PCB)
• Function: Controls ignition, fan, pump, gas valve, and safety systems

This is a Glow-worm control PCB used in a range of Flexicom and Ultracom boilers (Vaillant Group platform).

📋 Compatible Boiler Models

🔹 Glow-worm Flexicom CX (Combi)

• Flexicom CX 24
• Flexicom CX 30

🔹 Glow-worm Flexicom SX (System)

• Flexicom SX 12
• Flexicom SX 15
• Flexicom SX 18
• Flexicom SX 24
• Flexicom SX 30

🔹 Glow-worm Ultracom CX (Combi)

• Ultracom CX 24
• Ultracom CX 30

🔹 Glow-worm Ultracom SX (System)

• Ultracom SX 12 / 15 / 18 / 24 / 30

🧠 Compatibility Notes

• ✔️ Shared across Flexicom & Ultracom platforms (same electronics design)
• ✔️ Covers both combi and system variants
• ❗ Not compatible with:
  • Glow-worm Betacom
  • Glow-worm Energy
  • Newer ErP / Energy / Compact ranges
• ✔️ Always confirm using:
  • Boiler model name
  • GC number (data plate)

🔄 Superseded / Replacement

• This PCB is sometimes replaced by updated versions depending on revision
• Some listings may supply a newer compatible PCB kit rather than exact number

📌 Summary

Glow-worm 2000801020 PCB fits:

• Flexicom CX (24 / 30) combi
• Flexicom SX (12–30) system
• Ultracom CX (24 / 30) combi
• Ultracom SX (12–30) system

👉 It’s a main PCB used across Flexicom & Ultracom boiler families.