Domestic Hot Water Cylinders

Our ability to manufacture and deliver some of the most efficient domestic hot water storage solutions on the market, has made us one of the UK's market leaders for copper hot water cylinders.

In addition to our extensive range of standard hot water cylinders, we can design, manufacture and supply a solution which meets your exact specification and needs.

Our team of advisors can discuss your requirements, advise on the best solution for your project and guide you through the process of agreeing on the right cylinder specification.

Check out our range of domestic hot water cylinders by clicking on the links below:

Unvented Hot Water Cylinders

Vented Hot Water Cylinders

Thermal Stores

Rectangular Hot Water Tanks

Electric Wet Hot Water Systems

Timesaver Pre-plumbed Hot Water Storage Solutions

Heat pump hot water cylinders

Centralflow – Heat Interface Storage Solutions

Horizontal Cylinders

Bespoke Hot Water Cylinders

Slimline Hot Water Cylinders

Solar Thermal Hot Water Cylinders

If you are unsure about the best hot water storage solution for your domestic project contact our technical sales team now on 01592 611123.


Domestic Hot Water Cylinder Sizing Table


84L1515mm1345mm1000mm 790mm


106L1910mm1700mm1270mm990mm 825mm  670mmN/A
114L2050mm1825mm1370mm1050mm 890mm720mmN/A
117L2100mm1875mm1400mm1075mm900mm740mm N/A
134LN/A2145mm1600mm1200mm1030mm845mm N/A 
165LN/AN/A1975mm1475mm1200mm 1040mmN/A
190LN/AN/A2275mm1700mm1380mm1200mm 815mm
















Shaded Boxes Are Stock Cylinders.                N/A – Try a different size.

Thesse are unlagged sizes:-  Add 70mm for 35mm foam lagging.

Add 100mm for 50mm foam lagging.

Click here to download a copy of the domestic calorifier sizing sheet.

Why McDonald Engineers?

In addition to our core range of standard cylinders, we also specialise in manufacturing like-for-like hot water cylinder replacements for any cylinder type and for any cylinder manufacturer to minimise down times and installation costs.

We can manufacture any size from as little as 25 litres to 1000 litres and beyond for commercial applications. Our flexible manufacturing process also enables us to manufacture ultra slimline cylinders measuring just 300mm in diameter.

But what sets us apart from every other manufacturer is our customer service. Our experienced team have the knowledge and expertise and can discuss the best solution for your requirements -  without the technical jargon.

To find out more, contact us now on 01592 611123.