What is the difference between a vented hot water cylinder & a pressurised hot water cylinder?
- Gentleman Heating
- Jun 3
- 1 min read

A1: The vented hot water cylinder - still provides some hot water at gravity pressure, if the mains supply has been interrupted.
A2: The pressurised hot water cylinder - provide hot water at mains pressure, meaning 2 showers could be used at the same time. If the mains supply is stopped however then there will be no hot water to use.
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