Unvented Cylinder

The unvented cylinder range from the Plumbing Group includes the Venturi VXI, the first self sustaining cylinder with no expansion vessel requirement.

In 1986 unvented cylinders were legalised, allowing installations to take place throughout the United Kingdom. Since then they have become extremely popular with homeowners who benefit from better flow rates, as they are connected directly to the mains water supply.

Unlike conventional vented cylinders, unvented cylinders have no requirement for cold water tanks in the loft, which eliminates the risk of pipes freezing in the cold winter months. Another benefit over vented cylinders is that they do not rely on gravity, this means they can literally be installed anywhere within a property. As the system is essentially sealed there is virtually no risk in the water being contaminated, the water literally moves from cold mains through to the hot water tank.

This risk is further reduced  with the Venturi VXI as there is no requirement for an external expansion vessel, this removes the risk of legionella from the “dead leg” of the expansion vessel.

The Plumbing Group manufacturer a wide range of unvented cylinders including  the VXI, Solar, Heat Pump and Horizontals. We also offer bespoke cylinder manufacturing.

Venturi VXI

Direct Unvented Cylinder (No expansion vessel required)

Venturi VXI Direct Unvented Cylinder

Click here for the Venturi VXI 3S Direct

Venturi VXI

Indirect Unvented Cylinder (No expansion vessel required)

Venturi VXI Indirect Unvented Cylinder

Click here for the Venturi VXI 3S Indirect

Venturi VDE

Direct Unvented Cylinder (External expansion vessel required)

Venturi VDE Direct Unvented Cylinder

Click here for the Venturi VDE Direct

Venturi VDE

Indirect Unvented Cylinder (External expansion vessel required)

Venturi VDE Indirect Unvented Cylinder

Click here for the Venturi VDE Indirect

Venturi VS

Solar Direct Unvented Cylinder
(External expansion vessel required)

Venturi VS Solar Direct Unvented Cylinder

Click here for the Venturi VS Solar Direct

Venturi VS

Solar Indirect Unvented Cylinder
(External expansion vessel required)

Venturi VS Solar Indirect Unvented Cylinder

Click here for the Venturi VS Solar Indirect

 Venturi VHP

Heat Pump Single Coil Unvented Cylinder
(External expansion vessel required)

Venturi VHP Heat Pump Single Coil Unvented Cylinder

Click here for the Venturi VHP Heat Pump Single Coil

 Venturi VHP

Heat Pump Twin Coil Unvented Cylinder
(External expansion vessel required)

Venturi VHP Heat Pump Twin Coil Unvented Cylinder

Click here for the Venturi VHP Heat Pump Twin Coil

 Venturi VT

Slimline Direct Unvented Cylinder
(External expansion vessel required)

Venturi VT Slimline Direct Unvented Cylinder

Click here for the Venturi VT Direct

 Venturi VT

Slimline Indirect Unvented Cylinder
(External expansion vessel required)

Venturi VT Slimline Indirect Unvented Cylinder

Click here for the Venturi VT Indirect

 Venturi VZ

Horizontal Direct Unvented Cylinder
(External expansion vessel required)

Venturi VZ Horizontal Direct Unvented Cylinder

Click here for the Venturi VZ Direct

 Venturi VZ

Horizontal Indirect Unvented Cylinder
(External expansion vessel required)

Venturi VZ Horizontal Indirect Unvented Cylinder

Click here for the Venturi VZ Indirect

 Venturi VZ

Horizontal Twin Coil Cylinder
(External expansion vessel required)

Venturi VZ Horizontal Twin Coil Cylinder

Click here for the Venturi VZ Twin Coil

 

 

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