🔧 Ideal 177529 PCB – Models It Fits

Part: 177529

• Type: Printed Circuit Board (main PCB)
• Function: Controls ignition, fan, pump, sensors, and safety operation

This PCB is used in a range of Ideal Logic+ and Logic System/Heat boilers (mid-generation Ideal platform before Logic MAX updates).

📋 Compatible Boiler Models

🔹 Ideal Logic+ Combi

• Logic+ 24 Combi
• Logic+ 30 Combi
• Logic+ 35 Combi

🔹 Ideal Logic+ System

• Logic+ S15 System
• Logic+ S18 System
• Logic+ S24 System
• Logic+ S30 System

🔹 Ideal Logic+ Heat (Heat Only)

• Logic+ H12 Heat
• Logic+ H15 Heat
• Logic+ H18 Heat
• Logic+ H24 Heat
• Logic+ H30 Heat

🔄 Superseded / Replacement Info

• 177529 has been replaced by newer PCB kits, commonly:
  • Ideal 179038 PCB KM821 kit (KM821 platform upgrade)

👉 In many cases, suppliers now provide the updated KM821 PCB kit instead of 177529.

🧠 Compatibility Notes

• ✔️ Fits Logic+ generation boilers (pre-Logic MAX)
• ✔️ Used across combi, system, and heat-only variants
• ❗ Not compatible with:
  • Ideal Logic MAX
  • Ideal Vogue
  • Older Classic / Mexico / Response ranges
• ✔️ Must match boiler revision + GC number for exact fit

📌 Summary

Ideal 177529 PCB fits:

• Logic+ Combi (24 / 30 / 35)
• Logic+ System (S15–S30)
• Logic+ Heat (H12–H30)

👉 It’s a main control PCB for Ideal Logic+ boilers, now commonly replaced by updated KM821 PCB kits.