Description

Potterton 720753901 Expansion Vessel 8ltr – Replacement for Promax Ultra Combi ERP Boilers

This Potterton expansion vessel is a key component for maintaining safe boiler pressure. The boiler expansion tank absorbs water pressure increases during heating cycles, protecting your system from damage. Part number 720753901 fits directly into the Promax Ultra 24 Combi boiler, helping your unit perform reliably and efficiently.

Compatible Boilers

This part is compatible with the following models:

Promax Ultra ERP Series

• Promax Ultra 24 Combi ERP (Serial No Ending AC) – GC 47-393-54 AC
• Promax Ultra 24 Combi ERP (Serial No Ending BC & CC) – GC 47-393-54 BC
• Promax Ultra 24 Combi ERP (Serial No Ending DC) – GC 47-393-54 DC
• Promax Ultra 28 Combi ERP (Serial No Ending AC) – GC 47-393-55 AC
• Promax Ultra 28 Combi ERP (Serial No Ending BC & CC) – GC 47-393-55 BC
• Promax Ultra 28 Combi ERP (Serial No Ending DC) – GC 47-393-55 DC
• Promax Ultra 33 Combi ERP (Serial No Ending AC) – GC 47-393-56 AC
• Promax Ultra 33 Combi ERP (Serial No Ending BC & CC) – GC 47-393-56 BC
• Promax Ultra 33 Combi ERP (Serial No Ending DC) – GC 47-393-56 DC
• Promax Ultra 40 Combi ERP (Serial No Ending AC) – GC 47-393-57 AC
• Promax Ultra 40 Combi ERP (Serial No Ending BC & CC) – GC 47-393-57 BC
• Promax Ultra 40 Combi ERP (Serial No Ending DC) – GC 47-393-57 DC

If you’re looking for a Potterton Performa 12 HE System Expansion Vessel 8L MPN 248024 or any other different Potterton Expansion Vessel, follow the link provided.

Why Choose This Product?

This Potterton expansion vessel keeps your boiler operating safely by absorbing excess pressure from the heating cycle. It protects internal components and supports stable water pressure. Whether brand new or fully refurbished, each unit is pressure-tested and built to last. The boiler expansion tank fits precisely and restores system reliability.

Delivery and Return

Place orders before 1 PM for same-day dispatch via trusted couriers. Choose from standard or next-day delivery. Returns are accepted within 30 days if the part is unused and in its original packaging. Always use a Gas Safe registered engineer to install the part safely and protect your warranty.