New installations
Discuss an unvented cylinder as part of a new or upgraded heating and hot-water system.
Unvented hot water · Real FHP work photo
Unvented hot-water cylinders
For homes that need strong stored hot-water performance, an unvented cylinder can provide mains-pressure hot water without a traditional cold-water storage tank in the loft, where the incoming mains supply is suitable.
Why consider unvented?
Stored hot water with strong flow.
FHP can work with unvented hot-water systems as part of heating and hot-water upgrades. The right cylinder size and arrangement depend on the household, number of bathrooms, available space and mains water performance.
Mains-pressure hot water
Can provide strong shower and tap performance where the incoming mains flow and pressure are suitable.
Can provide strong shower and tap performance where the incoming mains flow and pressure are suitable.
Multiple outlets
Stored hot water can be useful in homes where more than one bathroom or hot-water outlet may be used close together.
Stored hot water can be useful in homes where more than one bathroom or hot-water outlet may be used close together.
No traditional loft cold-water tank
An unvented system is supplied from the mains rather than relying on a conventional cold-water storage cistern.
An unvented system is supplied from the mains rather than relying on a conventional cold-water storage cistern.
Flexible upgrade option
Can be considered alongside a system-boiler installation or other suitable heat source.
Can be considered alongside a system-boiler installation or other suitable heat source.
Unvented services
Installation, replacement & servicing
Unvented cylinders have important safety controls, so work should be carried out by someone with the appropriate competency.
Cylinder replacement
Replace an ageing or unsuitable cylinder and review the associated controls and hot-water setup.
Servicing & checks
Maintenance and checks of the cylinder, controls and safety components.
Questions
Unvented hot-water FAQs
Will an unvented cylinder improve my shower pressure?
It can provide strong mains-pressure hot water, but the result depends on the incoming water pressure and flow rate. FHP can assess whether the property supply is suitable.
Is an unvented cylinder useful for more than one bathroom?
It can be a good option for homes with higher hot-water demand because hot water is stored and can serve multiple outlets, subject to correct sizing and water supply.
Can an unvented cylinder be fitted with a system boiler?
Yes, that is a common arrangement where a property needs stored hot water. The exact design should be matched to the home and its hot-water demand.
Need better hot-water performance?
Ask FHP about an unvented upgrade.
Send the postcode, number of bathrooms and a photo of the current cylinder or boiler if available.