What expansion vessel should i order for Boiler

[CWilson]

Hi,

Currently have a Potterton Promax Combi 28 HE A boiler and looking to replace expansion vessel due to issues with it. Looking to make sure i get the right part for it

Found this part online but it says it will Fit a Promax Combi 28 HE Plus A,Is the HE plus A and my boiler HE A the same one?

Heating Spare Parts

Potterton part no. 5114691 - EXPANSION VESSEL 8L

www.heatingspareparts.com

 

[ShaunCorbs]

Let your gas safe engineer source the part least it will be fit for service