Expert Manufacturers of Bespoke Hot Water Cylinders
Why Choose Newark Cylinders:
Adaptability and Customisation – No matter what your requirements are, we have the versatility to manufacture exactly what you need.
Quick Turnaround – From initial enquiry to delivery, we are efficient in promptly completing your order.
Manufactured in the UK – Whether you’re looking for a Hot Water Cylinder, Thermal Store, or Buffer Vessel, all of our products are manufactured in-house.
Sustainability – By offering a variety of products, we are confident that we can contribute to the efficiency of your hot water supply.

Newark Cylinders, a family business spanning three generations since 1977, specialises in crafting high-quality bespoke hot water cylinders for domestic and industrial (commercial) systems. Our commitment lies in delivering tailored solutions that precisely meet our customers’ requirements while ensuring their convenience with quick turnaround times.
Our diverse range of products includes small cylinders like marine calorifiers, domestic cylinders, thermal stores, unvented cylinders, as well as larger industrial calorifiers and buffer vessels. Adaptability is at the core of our approach, as we constantly evolve our products to meet the changing demands and contribute to the sustainability of our natural environment.
We manufacture all our units in-house, incorporating technology and skilled craftsmanship. We combine high-precision machinery with a hands-on approach to ensure top-notch quality. Additionally, our copper and stainless steel cylinders can be designed to integrate seamlessly with various heat sources, including air and ground source heat pumps, solar panels, wood burners, pellet boilers, and both mains pressure and vented systems.

BESPOKE SPECIFICATION
As customers may have existing pipework or systems in place, we understand ease of installation is a necessity; we are able to design and manufacture a unit to suit any existing pipework.

WIDE CHOICE AVAILABLE
We supply a large range of units to meet customers’ needs such as custom heights and diameters, fitting size and placement, inputs and outputs, coils and material.

SHORT LEAD
TIME
As we are aware that customers can be in need of a replacement unit urgently, we are able to manufacture units as early as the same day and can be delivered the following day.
Send us an email at [email protected] with as much information as possible and we will get in touch with a quotation as soon as possible.
Shop
For our range of standard products, you can purchase from us direct from our online store at newarkcylinders.co.uk/shop
News & Articles
- Unvented Cylinder – Sizing GuideDiscover how to choose the right size unvented hot water cylinder for your home. Learn how peak demand, reheat time, and built-in safety features affect performance and efficiency
- Advantages & Disadvantages of Unvented CylindersExplore the key advantages and disadvantages of unvented cylinders to help you decide if they’re the right choice for your heating system.
- Unvented Hot Water Cylinders Explained: Direct vs. Indirect & Key BenefitsFind out what an unvented cylinder is, their benefits, safety features, and how to choose between direct and indirect models.