Baxi Ecoblue Advance Expansion Vessel 10 Litre – Refurbished | MPN 720859501

A boiler that loses pressure repeatedly, trips into lockout, or struggles to maintain consistent heating temperatures is often pointing to one culprit — a failing expansion vessel. The Baxi Ecoblue Advance 10 Litre Expansion Vessel (MPN 720859501) addresses that problem directly. As water heats and expands within your sealed heating circuit, this vessel absorbs the resulting pressure increase, shielding your boiler's internal components from the kind of continuous stress that leads to premature wear, leaks, and costly repairs.

Designed for the Baxi Ecoblue Advance Combi 40 and compatible across a broad range of Baxi boiler series — including Combi, Duo Tec, and Ecoblue — this is a direct like-for-like replacement that restores stable pressure control and reliable heating performance without the need for any modifications.

This is a professionally refurbished genuine Baxi component, carefully inspected, cleaned, and tested under real operating conditions before dispatch. Every unit that leaves our warehouse has earned its place there.

• Baxi Ecoblue Advance Expansion Vessel 10L
• Part Number: 720859501
• Condition: Refurbished
• Comes with 12-months warranty
• Suitable for Baxi Combi, Duo Tec, Ecoblue, and more boiler series
  
  

  GC Number : 

  Model	GC Number
  40 Combi	47-075-70
  Duo Tec 2 40 GA Range	47-075-57
  Ecoblue Advance Combi 40	47-075-90
  Advance Combi 40 ERP	47-077-17
  Duo Tec 2 33 GA Range	47-075-56
  Ecoblue Advance Combi 33	47-075-89
  System 32	41-470-01
  Megaflo 2 System 32 Compact GA	41-075-75
  32 System ERP	41-470-28
  Advance Combi 33 ERP	47-077-16

  
  
  

  Inspected. Tested. Ready to Install.

  Pressure spikes, frequent boiler lockouts, and constant system top-ups are all signs that your expansion vessel is no longer doing its job. This refurbished unit is the straightforward, cost-effective fix. Each vessel undergoes a thorough inspection and cleaning process before being tested to confirm stable, reliable performance — only units that pass make it to dispatch.

  The result is a component you can install with complete confidence, backed by a 12-month warranty and priced to make sense for both homeowners and professional installers alike.
  
  

  Delivery & Returns

  Orders placed before 3:00 PM are dispatched the same working day, with both standard and next working day delivery options available at checkout. Returns accepted within 30 days, provided the item is unused and in its original packaging.
  
  Note: Please confirm that MPN 720859501 matches your existing part before ordering. Installation must always be carried out by a Gas Safe registered engineer to ensure safety compliance and warranty validity.