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Expansion Vessel 18L

Status : In stock

Delivery : Standard help

SKU : P001077
Inc VAT: £34.26
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Quick Overview

These expansion vessels are available in a range of sizes and suitable for sealed central heating systems.

For assistance, please call:

020 8362 8100

Expansion Vessel 18L
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These expansion vessels are to allow for an increase in water volume caused by varying temperatures in sealed central heating systems.

Key Features
  • 18 Litre
  • Available in a range of sizes
  • Suitable for sealed central heating systems


It's important to know the size of the system before fitting an expansion vessel. Expansion vessels can be sized by using : V = eC / (1 - (p1/p2))
V : The total volume or nominal size (not the acceptance volume)
C : The total volume of water in system (litres)
p1 : The fill pressure of the system in Bars absolute (atmospheric or gauge pressure plus one Bar)
p2 : The setting of expansion / pressure relief valve in Bars absolute (atmospheric or gauge pressure plus one Bar
e : The expansion factor relating to the maximum system requirements.
Unit Of Sale Each
Size 18L
Barcode 4036705032042
EDP code UUEXV.18
Brand Westco

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