Sime Expansion Vessels

Sime Expansion Vessels also sometimes called expansion tanks or pressure vessels are a component fitted internally to Sime Combi type
and sealed system boilers and it's function is to compensate for the expansion of hot water, as water will expand when heated producing a rise
in pressure within the sealed or closed system. There is a menbrane or diaphragm within the vessel which separates the water from the air and
this allows the water to expand. All our Sime Expansion Vessels are new and genuine manufacturer spares.

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Sime 5139100 Expansion Vessel
Sime
5139100
Price: £93.71
Sime 5139110 Expansion Vessel
Sime
5139110
Price: £93.71
Sime 5139130 Expansion Vessel
Sime
5139130
Price: £108.89
Sime 5139140 Expansion Vessel
Sime
5139140
Price: £106.08
Sime 5183700 Expansion Vessel
Sime
5183700
Price: £98.85
Sime DHW Vessel 6245102
Sime
6245102
Price: £85.30
Sime Expansion Vessel 5139120
Sime
5139120
Price: £108.94
Sime Expansion Vessel 5187700
Sime
5187700
Price: £134.57