Glow-worm Expansion Vessels

Glowworm Expansion Vessels also sometimes called expansion tanks or pressure vessels are a component fitted internally to Glowworm 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 Glowworm Expansion Vessels are new and genuine manufacturer spares.

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Glowworm 2000800694 Expansion Vessel
Glowworm
2000800694
Price: £138.35
Glowworm 2000801171 Expansion Vessel
Glowworm
2000801171
Price: £185.07
Glowworm S801069 Expansion Vessel
Glowworm
S801069
Price: £149.77
Jaguar Expansion Vessel 0020025298
Glowworm
0020025298
Price: £138.13