Stainless SuperFlow Unvented Cylinders


The World Heat Cylinders’ Stainless SuperFlow range represents our premium line of stainless steel unvented cylinders. Manufactured from high-quality, corrosion-resistant stainless steel, these cylinders are meticulously designed to deliver maximum efficiency and exceptional durability for a wide array of unvented hot water applications. Our SuperFlow range caters for capacities from 50 litres up to an impressive 10,000 litres, ensuring a solution for projects of any scale, from domestic properties to large commercial installations.

Key features that define the SuperFlow range include high-density foam injected zero ozone depletion potential (ODP) insulation for minimal heat loss, and a robust, aesthetically pleasing powder-coated mild steel finish. Every unit is manufactured in our UK facility under strict ISO 9001 quality management systems.



Core Benefits of the SuperFlow Range


Choosing a Stainless SuperFlow unvented cylinder from World Heat Cylinders offers numerous advantages:

  • Exceptional Durability: Constructed from high-grade stainless steel for superior corrosion resistance and a long operational lifespan.
  • High Efficiency: Thick, eco-friendly foam insulation minimises standing heat losses, contributing to lower energy bills.
  • Mains Pressure Hot Water: Delivers excellent flow rates to multiple outlets simultaneously.
  • Wide Range of Capacities: From 50 to 10,000 litres, suitable for diverse domestic, commercial, and industrial needs.
  • Peace of Mind: Backed by a 25-year vessel guarantee, reflecting our confidence in the materials and manufacturing expertise.
  • Quality Assured: Manufactured in the UK to ISO 9001 standards, ensuring consistent quality and reliability.


Bespoke SuperFlow Options & Customisation


While our standard SuperFlow range is extensive, we understand that some projects require tailored solutions. At World Heat Cylinders, we offer bespoke manufacturing options for the Stainless SuperFlow range. This allows for modifications to tapping sizes and positions, specific sensor pocket requirements, or integration with non-standard heat sources. Furthermore, we can discuss custom dimensions where feasible to fit challenging plant room spaces.

To discuss your specific customisation needs for a SuperFlow stainless steel unvented cylinder, please contact a member of our technical sales support team on 0161 343 8610 or email sales@whcylinders.co.uk.



Uncompromising Quality & Manufacturing Standards


The exceptional quality of our Stainless SuperFlow unvented cylinders is underpinned by our commitment to superior materials and meticulous manufacturing processes. Key quality aspects include:

  • A 25-year vessel guarantee, reflecting the quality of materials and our manufacturing expertise.
  • High-quality, durable powder-coated steel external finish.
  • Efficient foam injected insulation with zero ozone depletion potential (ODP).
  • All units are manufactured to meet stringent ISO 9001 quality assurance standards.


SuperFlow Technical Datasheets & Manuals


For detailed technical specifications, dimensions, and installation guidance for our Stainless SuperFlow unvented cylinder range, please download the relevant product information sheets and manuals below:

If you cannot find the specific datasheet you require, or if you need information on larger capacities or bespoke configurations, please don’t hesitate to contact our technical team.