Hot Water Cylinder & Water Heating Specialists


Whilst the specification may have changed over the years the way in which we hand build each one hasn’t.

Built to the latest Part L specification with a focus on ErP our Vented Copper Cylinders and Vented Aquastel range of cylinders represent the starting point of the Vented range.
The range of vented hot water cylinders can be manufactured to near enough any specification to suit your requirements, you can not only customize the units dimensions, but also the tapping sizes and positions.
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RM Unvented cylinders benefit from state of the art manufacturing processes and the highest quality stainless steel designed especially for the purpose of hot water storage vessels.
Our extensive range of product lines and specifications means there is an RM Unvented Cylinder for every application.
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Commercial Cylinders

To produce a superior cylinder takes a mixture of knowledge, experience, technology, precision and skill. RM Cylinders have been involved in manufacturing cylinders for more than 30 years and over this time we have seen many developments in the manufacturing processes.
We are confident today we operate one of the most advanced production facilities supplying commercial cylinders to the European market.
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Online Tools


Easily manage your quotes and bypass filling out long forms when registering your RM Cylinder product warranties. The User Dashboard allows you to have all your details kept in a single place.


All your product information kept filed in one place. Browse our Knowledge Centre to view and download technical data, install manuals and brochures.


Domestic Cylinders
grantandstone_web promotion_featured white image

Stelflow Cylinder Promotion With Grant and Stone Trade Supplies

Q4 - 2019

We've a great new promotion running.Purchase 3 unvented cylinders through Grant and Stone Trade Suppliers . . .

Promotion finished
Domestic Cylinders

Stelflow Cylinder Promotion With Williams Trade Supplies

Q4 - 2019

We've a great new promotion running.Purchase 3 unvented cylinders through Williams Trade Suppliers between 1st . . .

Promotion finished
Domestic Cylinders

Rugby Promotion

Q2 - 2019

Win 2 Tickets To The Rugby World Cup Japan 2019

Promotion finished

Signup for the latest RM Promotions

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