EXCELSIOR
Water Heating
EXCELSIOR leads in British-made stainless steel water heating solutions, delivering dependable performance across domestic, commercial, industrial, marine, and bespoke applications.
High-Quality, Professional And Innovative Water Heating Cylinders And Heat Transfer Products
Excelsior, part of the Fabdec Group, delivers advanced British-made water heating cylinders built for performance and longevity. Manufactured from high-grade duplex stainless steel, each vessel ensures durability and corrosion resistance.
Excelsior cylinders are available in domestic, commercial, industrial, marine, and bespoke models, designed to meet the unique requirements of every application. This versatility ensures efficient, reliable water heating for homes, businesses, factories, and specialist installations.
Available in direct and indirect models for electric, gas, heat pump, and solar systems, Excelsior cylinders meet EN.ISO 9001 standards. Supported by a 10-year warranty, Excelsior provides efficient, reliable, and sustainable water heating solutions across all sectors.
Explore Water Heating Products
EXCELSIOR WD
EXCELSIOR WXI
EXCELSIOR WHP
Heat pump compatible stainless steel cylinder designed for air source and ground source heating systems.
EXCELSIOR WB
EXCELSIOR WZ
EXCELSIOR WT
EXCELSIOR WI
EXCELSIOR WXI
EXCELSIOR WHP
Heat pump compatible stainless steel cylinder designed for commercial air source and ground source heating systems.
EXCELSIOR WB
Bespoke Water Heating
Custom stainless steel water heating and buffer vessel solutions designed around project-specific requirements.
Marine Water Heaters
Stainless steel marine water heaters designed for vessels, restricted spaces and specialist onboard hot water systems.
Pre-Plumb Cylinders
Pre-plumbed EXCELSIOR cylinders supplied with selected fittings and pipework to support quicker installation on site.
Innovation and Quality in Every Vessel
EXCELSIOR’s water heating systems combine innovation and engineering excellence to deliver efficient and reliable performance. Each vessel is made in Britain from high-grade stainless steel, ensuring durability and hygiene. Furthermore, our designs improve thermal efficiency while reducing energy use. Because every installation has unique needs, EXCELSIOR offers a broad range of models meeting strict performance standards.
Whether used in homes, factories, process, or marine environments, our systems deliver consistent heat and dependable operation. Moreover, advanced production techniques ensure precision and reliability at every stage. Through continuous improvement and British expertise, EXCELSIOR’s water heating products set benchmarks for strength, sustainability, and service life, providing customers with lasting confidence and value.
Customer Success Stories
Arran Dairies
Residential Development
Cheshire Farm
Independent Brewery
Tailored Solutions for Every Industry
Every environment demands a specific approach to water heating, and EXCELSIOR’s tailored solutions ensure efficient performance. From domestic buildings to industrial facilities, each product is designed for practical installation and thermal efficiency. Additionally, our marine and bespoke systems suit challenging spaces where configuration matters. Because all manufacturing occurs in the UK, customers benefit from consistent quality and short lead times.
Our engineers collaborate closely with clients to refine designs that align with operational and spatial needs. As a result, each vessel offers dependable performance while minimising maintenance. Ultimately, EXCELSIOR delivers more than equipment, it provides confidence through precision engineering and effective water heating solutions built for every sector.















