Unvented Cylinder Installation and Replacement
Unvented cylinders provide reliable and efficient hot water solutions for modern homes. The systems deliver high-pressure hot water directly from the mains, eliminating the need for a cold water tank.
Whether you’re upgrading your existing system or replacing an outdated cylinder, the experienced engineers here at JA Plumbing and Heating ensure a smooth installation.
If you want to replace an old unvented cylinder in the Abingdon, Oxford, Bicester, Witney and Didcot area, or are planning to install a new one, ask us for a transparent quote today.

Why Install an Unvented Cylinder?

High Water Pressure
Enjoy powerful showers and consistent hot water pressure throughout your home.

Space-Saving Design
Without a cold water tank, unvented cylinders free up valuable space in your loft or airing cupboard.

Energy Efficiency
With proper insulation, unvented cylinders retain heat longer, helping to lower energy bills.

Ideal for Large Households
Capable of supplying multiple outlets at once, they’re perfect for homes with high hot water demand.

Our Unvented Cylinder Replacements
Our Gas Safe engineers handle everything from system design to professional installation, ensuring your cylinder operates safely and efficiently.
If your current unvented cylinder is outdated, inefficient, or faulty, we’ll replace it with a modern, energy-efficient model.
Upgrade your hot water system today with a new unvented cylinder.





