Expert Manufacturers of Bespoke Hot Water Cylinders

Newark Cylinders are a manufacturer of high-quality bespoke hot water cylinders; We are a family business spanning three generations and have provided the nation with hot water storage solutions since 1977.

We pride ourselves in having the ability to work for our customers in designing and manufacturing a unit which meets their exact requirements and being able to quickly turn around products for our customer's convenience.
We are able to produce a wide range of products and specifications from small cylinders such as marine calorifiers, to domestic cylinders, thermalstores and unvented cylinders as well and large industrial calorifiers and buffer vessels.

We make a conscious effort to develop our products to suit an evolving demand and to sustain our natural environment; our cylinders can be designed to to work in conjunction with solar panels, wood burners, pellet boilers, ground source heat pumps and to work on either mains pressure or vented systems.
We manufacture all of our units in-house with a combination of high precision machinery and the flexibility of hands on craftsmanship.

Stainless Unvented Cylinders Our Range of Stainless Unvented Cylinders

What makes us different?


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.


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.


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 for the following day.

Ways To Order


Call us on 01636 678437 between 8:00AM and 4:15PM Mon-Fri to discuss your requirements with us.


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.


For our range of standard products, you can purchase from us direct from our online store at


Newark Cylinders New Logo

Newark Copper Cylinders Rebranding

As we have developed a wide range of products beyond standard copper cylinders over our past 40 years in business, we made the decision to rebrand the company to match our new range of products and expertise. Newark Cylinders incorporates all of our products under one tile.

Kev Completing Charity Walk

Kev Completes Charity Walk

Our shop floor manager Kev Hempsall has completed his sponsored charity walk in which he raised £6155 for Lincs-Notts Air Ambulance Charity. The walk was completed in 8 hours and 47 minutes, much faster than he expected especially when the average walker would cover the same distance in around 13 hours. His walk raised more funds than his past three walks combined. We wish Kev all the success in his next walk he is planning for next year.

Read the full story

Thermalstore Animated Video Screenshot

Thermalstore Package Video Release

We have produced an animated video demonstrating our new range of package thermalstore cylinders. The video shows in an easy to understand way all the different heat inputs and outputs our thermalstores can utilise.

Find Out More

Kev Newspaper Feature

Lincs & Notts Air Ambulance Charity Walk

After his numerous successful charity walks, our Factory Manager Kev will be walking 39 miles on Sunday 20th September to raise charity for the Lincs & Notts Air Ambulance. His walk will see him reach three milestones of Lincoln Castle, Newark Castle and ending at Belvoir Castle.

How Its Made Filming

How It's Made Feature Release

After filming last year and allowing the episode to be aired first in the United States and Canada, the episode is finally available on the Discovery Channel in the UK. We have also acquired a personal copy which you can view at the top of our website or you can watch the full episode Season 32 Episode 13 of How It's Made on the Discovery Channel

Kev at Humber Bridge

Kev Completes Sponsored Walk to Humber

On Saturday 19th October, Kev completed his 45 mile walk from North Hykeham to the Humber Bridge in 9 hours and 40 minutes. His walk has raised a total of £810 to go towards supporting our Managing Directors twins with cerebral palsy. You can read more in our local newspaper here.

Mascots at Lincoln Sausage Festival

Mr & Mrs Sausage at Lincolnshire Sausage Festival

We were contacted by the organisers of the annual Lincolnshire Sausage Festival to create a sturdy structure for the costumes of the mascots Mr & Mrs Sausage, which were brough back by popular demand.

Kev Newspaper Article

Kev's Next Sponsored Walk

After Kev's success on his walk to Skegness, his next big goal is to walk from 45 miles from North Hykeham to the Humber Bridge in Hull! His next walk will take place on the 19th October 2019 and he will be fundraising for the Managing Director Andrew's twin sons with cerebral palsy who will be undergoing surgery to relieve the negative symptoms of the condition.

Global Water Solutions Expansion Vessels

Global Water Solutions Expansion Vessels

Newark Copper Cylinder is now a supplier of the large range of Expansion Vessels provided by Global Water Solutions; their wide range of expansion vessels are designed to facilitate many requirements including harsh environments, solar heating, water treatment and high pressure environments.

Meeting with Lincoln College

Lincoln College

Newark Copper Cylinder have donated several copper cylinders to the local Lincoln College for use in teaching the next-generation of installers. We as a business are reliant on the local community as well as the wider community as a whole, we therefore think it is important for us to ensure we support them in the best way we can.

How It's Made filming

How It's Made

Newark Copper Cylinder has been selected to be featured on The Discovery Channel's world famous TV show "How It's Made." The show has selected us to be featured in an episode involving the manufacture of bespoke copper cylinders, showing the step-by-step process of the cylinder from drawing to finished product. The episode has already been filmed and are expecting the episode to air within the next year, which will be proudly featured on our website. update We will be sure to keep you informed.

Kev Newspaper Article

Sponsored Walk

Our factory manager Kevin Hempsall who has been with us for 27 years has recently been featured in the local news for his efforts in raising money to support his now retired colleague after a life changing operation. On the 4th of August, Kevin will walk 34 miles from his house in North Hykeham to Cadwell Park Race Circuit. The walk comes on the heels of his 44 mile walk from his house to Skegness in December of 2017 which he completed in 11 hours. We wish Kevin the best of luck.