Vented Hot Water Cylinder

We stock a considerable range of finished vented hot water cylinders but a large part of our production is manufacturing to our customers.

  • Size to suit – We can manufacture cylinders in the following diameters (before insulation):
    200, 280, 300, 350, 375,400, 450, 500, 600, 675, 750 mm and upwards in Calorifiers sizes.
    You choose the height and diameter that most suits the installation.
  • Connections sited to customer requirements, to make installation easy in awkward spaces.
  • Extra connections for secondary returns, extra immersion heaters, shower draw off, etc.
  • Extra factory applied insulation for less heat loss and greater energy savings.
  • Horizontal cylinders for installations where there is insufficient height for a vertical cylinder. Steel cradles available on request.
  • Available in Grades
    1 – 25 metres (82 feet) maximum working head
    2 – 15 metres (49 feet) maximum working head
    3 – 10 metres (33 feet) maximum working head
  • Peace of mind with 5 year cylinder warranty

 

Click here to see our complete range of vented cylinder and tanks solutions.

Our High Performance Indirect cylinders are made from copper ensuring energy efficiency and longevity.

Our indirect cylinders are complete with extra heating surface and double standard foam insulation, giving high performance with savings in energy costs.

Available in all sizes our main indirect coppyer cylinders are Kitemarked.

Contact our technical sales team on Tel: 01592 611123 to discuss your cylinder requirements.

High performance indirect copper cylinders available throughout the UK and Ireland from McDonald Water Storage.

Indirect Copper Cylinders
Indirect Copper Cylinders (Double Feed) to BS 1566: 2002

Our range of direct hot water cylinders are made from long last copper and are built to last.

100% recyclable, copper is proven to be healthy and safe and renowned for its anti-bacterial properties. Energy efficient, our direct hot water cylinders will help keep energy costs to a minimum whilst generating more heat.

Copper is also a flexible material which means that we are able to provide bespoke hot water cylinders to suit your specific requirements – contact us now to discuss your requirements

Direct Copper Cylinders to BS 1566: 2002

B.S.
Ref.
Size (mm)Approx. Imperial
Size (inches)
Min. Storage
Capacity
Height of Screwed
Connections
Height(A)xDia(B)LtrsAppx.
Galls.
HL
1900×35036×147216700100
2900×40036×169621700100
31050×40042×1611425800100
4675×45027×188418450100
5750×45030×189521550100
6825×45033×1810623625100
7900×45036×1811726700100
81050×45042×1814031800100
91200×45048×1816235950100
9E1500×45060×18206451200100
101200×50048×2019042950150
111500×50060×20245541200150
121200×60048×2428061950150
131500×60060×24360791200150
141800×60072×24440971350150

*Extra available on request

Contact us today to discuss your direct hot water cylinder requirements. Tel: 01592 611123 or online.

Direct Copper Cylinders
Direct Copper Cylinders to BS 1566:2002

Compact and Convenient our combination hot water cylinders will suit a variety of requirements. Made from energy efficient copper, they are built to last. Our combination cylinders are available in:

  • Direct pattern
  • Indirect- An integral primary feed and expansion tank may be fitted to the Indirect if required
  • MACMATIC single feed indirect

All combination cylinders are supplied complete with an aluminium lid.

The below sizes represent only a part of our range. Alternative sizes can easily be made on request.

MANUFACTURED TO BS 3198 : 1981

Height x DiameterCapacity Hot/Cold
750 x 450 mm65 litres / 20 litres
900 x 450 mm85 litres / 20 litres
1050 x 450 mm110 litres / 20 litres
1200 x 450 mm135 litres / 20 litres
1400 x 450 mm
To Maxistore 7 Spec.
144 litres / 40 litres
1850 x 450 mm
To Maxistore 7 Spec
210 litres / 40 litres
Available in up to 600mm. diameter.

Whether you are looking for combination cylinders for a large contract or one-off project, our technical sales team will be able to guide you through the options available. Contact us today for further information on Tel: 01592 611123.

Combination Cylinders: Direct, Indirect or Macmatic systems available from McDonald Water Storage.

Combination Cylinders
Compact and Convenient

The MacMatics single feed indirect cylinder is manufactured to the highest quality with energy efficient copper.

No primary feed and expansion tank required.

MacMatics Single Feed Indirect Cylinder

Single feed indirect copper cylinders available in Grades 2 and 3, and combination.
Manufactured in various sizes to BS 1566: Part 2. Suitable for a primary heating circuit capacity of up to 110 litres.

Height x DiameterMinimum Capacity
675 x 450 mm75 litres
750 x 450 mm86 litres
900 x 450 mm108 litres
1050 x 450 mm130 litres
1200 x 450 mm152 litres
  


Alternative cylinder sizes can easily be made on request.

To discuss your requirements simply contact our technical sales team on Tel: 01592 611123.

Macmatics Single feed Indirect Cylinder: Quality hot water solutions from McDonald Water Storage.

MACMATICS
No primary feed and expansion tank required.

Our twin cylinders are designed for small spaces and provide an excellent hot water storage solution which can be hidden inside a cupboard or other small containing unit.

Available in Grades 1 and 2 in Direct and Double Feed Indirect.

We specialise in manufacturing like for like replacements on all existing twin hot water cylinders such as Dublo cylinders.

To discuss your requirements, simply call our technical sales team on 01592 611123.

Twin Cylinders: Compact heating solutions when space is at a premium.

Twin Cylinders
Built for cupboards

The table below shows the standard “TWIN” sizes:

Height x Width x DepthMinimum Capacity
1050 x 580 x 280mm114 litres
1190 x 580 x 280mm136 litres
  

Our High Performance Indirect cylinders are made from copper ensuring energy efficiency and longevity.  Our indirect cylinders are complete with extra heating surface and double standard foam insulation, giving high performance with savings in energy costs. Available in all sizes our main indirect coppyer cylinders are Kitemarked. Contact our technical sales team on Tel: 01592 611123 to discuss your cylinder requirements. High performance indirect copper cylinders available throughout the UK and Ireland from McDonald Water Storage.

High Performance Indirect Hot Water Cylinders
High Performance Indirect cylinders

As FASTheat incorporates a highly efficient Copper coil, a much smaller than normal cylinder can be used.

This means that large quantities of hot water are not heated and wasted if not required. It also significantly reduces boiler cycling – leading to large savings on fuel bills and more satisfied customers.

Boiler OutputFASTheat
24KW6 minutes
15KW9 minutes
12KW11 minutes
9KW15 minutes

An excellent investment, FASTHeat’s fast recovery cylinder will quickly pay for itself and provide an instant supply of hot water.

To discuss your fast heat recovery requirements, simply call our technical sales team on 01592 611123 or contact us online.

FASTHeat: Cost effect fast recovery cylinder solutions from McDonald Water Storage.

Fast Heat Rapid Recovery
If you have a requirement that is not listed above, please contact us as we are confident we can manufacture something to suit.

If you are looking to squeeze your cylinder into a tight space, we also offer slimline versions of our vented hot water cylinders.

Typically measuring, an industry leading, 450mm in diameter including the insulation, these slimmer models are manufactured to the same standards and designs as our vented units.

However thanks to our flexible approach to manufacturing and our use of copper, we can manufacture cylinders as small as 300mm shell, plus the required foam lagging.

We can even place the connections in the best location for the installation, making further savings on installation time and costs. 

To find out more about our range of vented hot water cylinders and to discuss sizing and dimensions, contact our technical sales team now.

Vented Hot Water Cylinders: Cost effective hot water heating solutions from McDonald Water Storage.

Our focus is very much on the manufacture of copper hot water cylinders and tanks. Copper provides fantastic benefits including;

  • Ability to kill 99% of bacteria including Ecoli and legionella
  • One of the most efficient conductors of heat
  • Significantly more flexible for manufacturing than other materials
  • Long lifespan due to its amazing resistance to corrosion
  • 100% recyclable

 

For further information see our brochure The Ultimate Supermetal or visit our Copper Facts page.

Vented hot water cylindersVented cylinders are regarded as the traditional option, as they have been around for many years. They were first manufactured using copper due to the material’s efficient conductivity of heat.

Vented cylinders store and heat water that is fed directly from a cold feed tank in the loft, or from a combined header tank if no loft space is available.

The pressure of the hot water delivered from the vented is reliant on either the height of the cold feed tank above the cylinder or the addition of a pump on the hot water outlet to boost the pressure to the taps.

 

The main difference between a vented and unvented water storage cylinder is that a vented cylinder is supplied from a cold feed tank in the loft or an incorporated tank on top of the cylinder (combination type). These generally provide low pressure hot water.

An unvented hot water cylinder takes its water supply directly from the mains. You can get hot water out of an unvented cyinder at a much better pressure than a traditional vented cylinder as it is pressurised.

The grade (or thickness) of the copper vented cylinder is determined by the working head of the installation. The available grades of copper are;

  • 1 – 25 metres (82 feet) maximum working head
  • 2 – 15 metres (49 feet) maximum working head
  • 3 – 10 metres (33 feet) maximum working head

Over the years, there have been many variations of vented cylinders installed in homes across the UK.

The most common vented cylinders are the direct (heated by immersion) or indirect (heated by a boiler utilising an internal coil). These are both fed from a cold feed tank in the loft. In apartments where there is no loft space available, then combination cylinders are used, holding the cold water directly above the hot water cylinder.

At McDonald water Storage, we are able to manufacture the more unique products such as Macmatics suitable for use with heating systems, twin cylinders to fit into small cupbard spaces, high performance and rapid reheat cylinders.

Vented hot water cylinders are dependent on the supply of cold water from a large tank which is located in the loft space. Also known as ‘gravity fed water systems’, vented cylinders rely on gravity and the elevation of the water tank for more powerful water pressure.

They are considered the most traditional means for household hot water production and are also a cheaper alternative to other hot water systems.

The main benefits of a vented cylinder include;

  • A vented system is usually cheaper to install and requires lower maintenance than an unvented alternative
  • If the mains water supply is cut off you will still have access to the tank of water in the loft.

Vented hot water systems are a way of heating up a large store of water for user delivery at outlets throughout a house. They also have the capacity to automatically feed more water into their system using a cold water feed tank above the hot water cylinder.

Open vented cylinder

When cold water is heated up it expands and therefore needs somewhere to expand to. This is when the open vented system uses an expansion pipe back up to the cold water feed tank.

The cold feed tank should be of adequate size to feed the hot water cylinder. When any of the hot taps are opened in the house gravity will force the cold water into the bottom of the hot water cylinder for heating up and eventual use, forcing the hot water to the taps. The cold water supply tank is supplied by a mains pressure cold water feed that uses a ball valve to automatically keep the system topped-up, with an overflow pipe leading to a safe spot outside that is visible in case the expansion runs too much or the ball valve fails and doesn’t shut off.

The water in the cylinder is heated up by either the immersion heater of heating coil, the hot outlet pipe supplies the outlets (or taps) with the hot water supply. This pipe also tees off up to the expansion.

The immersion heater is usually seen as either the electric backup heater or in a direct model, the main heat source. With indirect models, the heating coil is used to transfer heat from heating system (from the boiler) to generate the hot water for the taps. Usually controlled by a programmer time switch and a thermostat on the cylinder.

McDonald Water Storage are the ONLY Company in the UK who manufacture all their Vented cylinders to BS1566 standards.

It’s a massive change in approach from the rest of the industry who largely manufacture to Part L of the Building Regulations, a lower grade of vented cylinder, which are purely designed and manufactured to meet the minimum standards required.

By ensuring our vented cylinders to BS1566 standards, we are providing units which adhere to strict quality standards regarding every aspect of the manufacturing process, from the thickness of copper material for the base and shell, to the length of coil in the cylinder.

This means that every vented cylinder which leaves our factory, is of a superior quality, more durable and more reliable than those which do not carry the Kitemark and are only made to part L.

Vented cylinders can start from as little as £180, but vary dramatically in cost dependent on volume, insulation, grade (thickness) of copper used, connection … the list goes on.

Vented hot water systems are a way of heating up a large store of water for user delivery at outlets throughout a house.

Open vented cylinder

When any of the hot taps are opened in the house, the cold feed tank in the loft feeds the hot water cylinder, gravity will then force the cold water into the bottom of the hot water cylinder for heating up and eventual use, forcing the hot water to the taps.

The cold water supply tank is supplied by a mains pressure cold water feed that uses a ball valve to automatically keep the system topped-up, with an overflow pipe leading to a safe spot outside that is visible in case the expansion runs too much or the ball valve fails and doesn’t shut off.

The water in the cylinder is heated up by either the immersion heater of heating coil, the hot outlet pipe supplies the outlets (or taps) with the hot water supply. 

The immersion heater is usually seen as either the electric backup heater or in a direct model, the main heat source. With indirect models, the heating coil is used to transfer heat from heating system (from the boiler) to generate the hot water for the taps. Usually controlled by a programmer time switch and a thermostat on the cylinder.

Product Enquiry

Enter your details below...

CPD Enquiry

Enter your details below...

Register Your Product

Please enter your details below to register your product.

Product Details
Homeowner Details
Installer Details
For more information on the warranty details, click here

Installation Service Quote

Please enter your details below to request a quotation for our installation service.

Technical Assistance Form

If you require Technical Assistance from our online cylinder site, please fill in the form below.

Product Request Form

If you cannot find a product or part in our store you can request it below and we will try to source it direct for you.

Join The Club!

Claim 10% off
mcdonald water storage
spare parts

To celebrate the launch of our online store with genuine McDonald Water Storage spares and free next day delivery (orders over £50), we want you to enjoy a 10% discount on your first order.
To claim your offer simply enter your email address below

By Entering your email address and pressing send, you agree to be happy to receive offers and updates from McDonald Water Storage.