Description
PCB For Potterton Promax Ultra 720878201 720878202
This Potterton Promax Ultra PCB restores reliable electronic control for your boiler. These boiler circuit boards (720878201 / 720878202) manage ignition, heating, and safety functions efficiently. They ensure consistent performance across multiple Potterton Promax Ultra models. Using the correct PCB helps prevent boiler faults and extends system lifespan, making it essential for safe, uninterrupted heating.
Compatible Boilers
This part is compatible with the following models:
Promax Ultra 24 Combi ERP
• Serial No Ending AC – GC 47-393-54 AC
• Serial No Ending BC & CC – GC 47-393-54 BC
Promax Ultra 28 Combi ERP
• Serial No Ending AC – GC 47-393-55 AC
• Serial No Ending BC & CC – GC 47-393-55 BC
Promax Ultra 33 Combi ERP
• Serial No Ending AC – GC 47-393-56 AC
• Serial No Ending BC & CC – GC 47-393-56 BC
Promax Ultra 40 Combi ERP
• Serial No Ending AC – GC 47-393-57 AC
• Serial No Ending BC & CC – GC 47-393-57 BC
Why Choose This Product?
This refurbished Potterton PCB offers a cost-effective alternative to new boards. It guarantees precise control of boiler functions and prevents ignition and heating errors. Each unit undergoes strict quality checks to ensure reliability. Installing this PCB helps your boiler run safely and efficiently while extending its operational life.
Delivery and Return
Place orders before 1 PM for same-day dispatch via reliable couriers. Choose from standard or next-day delivery options. Returns are accepted within 30 days if the part is unused and in original packaging. Always use a Gas Safe registered engineer for installation and warranty compliance.
FAQs
1. What does the Potterton Promax Ultra PCB 720878201 / 720878202 do?
The PCB manages your boiler’s electronic controls, including ignition, heating, and safety functions. It ensures smooth operation and prevents common boiler faults.
2. Which Potterton Promax Ultra models is this PCB compatible with?
This PCB fits Promax Ultra 24, 28, 33, and 40 Combi ERP models with serial numbers ending AC, BC, or CC.
3. Can I install this PCB myself?
For safety and compliance, installation should always be carried out by a Gas Safe registered engineer.
4. Does this PCB come with a warranty?
Yes, this replacement PCB comes with a 12-month warranty.
5. How can I order and receive this PCB?
Orders placed before 1 PM are dispatched the same day. Delivery options include standard or next-day delivery. Returns are accepted within 30 days if the part is unused and in its original packaging.






