Unvented Cylinders

Unvented Cylinders are high-performance hot water storage solutions designed to deliver pressurized hot water throughout your property without the need for a cold water storage tank. They are ideal for modern homes and commercial buildings, providing instant, reliable hot water on demand.

About Unvented Cylinders

Unvented cylinders store hot water under mains pressure, ensuring consistent water flow to multiple outlets simultaneously. Available in direct, indirect, horizontal, and solar-compatible models, these cylinders are constructed from durable materials such as stainless steel or copper. They are designed to work with various heating systems, including boilers, heat pumps, and solar thermal systems.

See more

Benefits

  • High water pressure: Provides strong, mains-fed water flow.
  • Reliable hot water: Simultaneous supply to multiple outlets.
  • Space-saving: Eliminates the need for a cold water storage tank.
  • Durable materials: Copper or stainless steel construction for long-lasting performance.
  • Versatile applications: Compatible with boilers, heat pumps, and solar systems.

Applications

  • Residential homes and apartments.
  • Commercial buildings requiring multiple hot water outlets.
  • New-build and refurbishment projects.
  • Direct, indirect, horizontal, or solar-connected installations.

Key Features

  • Direct, indirect, and solar-compatible unvented cylinders.
  • High-pressure, mains-fed water supply.
  • Durable copper or stainless steel construction.
  • Space-efficient vertical and horizontal designs.
  • Optional accessories such as expansion vessels, immersion heaters, and tundishes.

Performance & Maintenance

Unvented cylinders require periodic inspection and maintenance, including checking pressure relief valves and expansion vessels. Proper servicing ensures safe, efficient, and reliable hot water delivery while extending the cylinder’s lifespan.