Alpha 1.018837 Expansion Vessel DHW - 4 Litre

-17% Alpha 1.018837 Expansion Vessel DHW - 4 Litre
People Viewed: 10612
Product Code:1.018837
Manufacturer Part Number1.018837
Superceded Part Number1.015433 , 6.0001045
Availability:In Stock
£180.00 £149.99 Ex VAT: £124.99
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Alpha 1.018837 Expansion Vessel DHW - 4 Litre

Product Information:

An expansion tank or expansion vessel is a small tank used to protect closed (not open to atmospheric pressure) water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by water hammer and absorbs excess water pressure caused by thermal expansion.

This part is present 5 different boilers in the Alpha range including the Alpha CB50, CB50 LPG, CD50, CD50 LPG.

At the bottom of the page is an appliance table with the links to all boilers that contain this part. Please use this if you would like to view all other spares that fit that model by clicking on your appliance model and download the user manual for that appliance. If none of these models match the appliance you have, please contact us before ordering so we can confirm this part is compatible.

We recommend that all parts are fitted by a fully qualified Gas Safe Registered Engineer. If you require any help locating a part, please feel free to contact us.


This Part Fits the following appliances:


Manufacturer Appliance Model GC Number
Alpha CB50 47-532-18
Alpha CB50 LPG  
Alpha CD50 47-532-24
Alpha CD50 LPG  
Alpha COMBI MAX 350  

Alpha 1.018837 Expansion Vessel DHW - 4 Litre

Boiler Parts
Part Type Expansion Vessels
5 ( 5 / 5 )
Easy replacement. Fixed boiler in no time

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