Space-saving, unvented hot water cylinders/systems
Unvented hot water cylinders, also known as unvented hot water systems, operate directly from your mains water supply, providing your home with a high pressure flow of water that runs straight from a boiler, either on its own or with an immersion heater as a back-up.
Unvented water cylinders are perfect if you’re looking for a space-saving option as it only needs one tank (because it uses the mains water supply). You can also have your unvented water cylinder positioned almost any way you like, as there are no factors such as gravity to affect the flow of the water.
Other advantages of unvented hot water cylinders
As well as improved water pressure and move space in your property, you’ll also be able to enjoy a quieter home, as you don’t have a cold water cistern refilling in your loft space. Another important advantage is that because you have no water cistern and the system is sealed, your cold water isn’t at risk of becoming contaminated.
Unvented hot water cylinder systems Cornwall
At RJD Plumbing and Heating Engineers, we’re accredited Worcester Bosch installers, OFTEC registered and Gas Safe registered, so you can rest assured that your new unvented hot water system will be installed to the highest standards.
Our 24 hour a day work is fully guaranteed and insured, and all our qualified engineers are fully insured to give you extra protection and peace of mind.
For more information about our unvented hot water system installation in Cornwall or to arrange your unvented hot water cylinder installation, call 01209 890643 or contact us online today.

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Unvented hot water systems
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RJD Plumbing and Heating Engineers, Jollys Lane, Porthtowan, Truro, Cornwall TR4 8AX // 01209 890643
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