Buffer Vessel Sizing for Hydronic Heating Systems Buffer vessels are essential components in hydronic heating systems, providing thermal storage capacity that improves system efficiency, reduces equipment cycling, and enhances overall performance. Proper sizing of these vessels is critical to achieving optimal system operation. This guide covers the principles, calculations, and considerations necessary for correctly sizing […]
Crafted from high-grade duplex stainless steel and powered by twin 3 kW immersion heaters, the 170 L Direct Unvented Cylinder delivers mains-pressure hot water without the need for gas or oil boilers. Its patented internal venturi expansion system maintains a self-sustaining air pocket—eliminating external expansion vessels and reducing both installation time and lifetime maintenance. Manufactured under stringent UK quality controls and backed by a 25-year corrosion warranty, this cylinder ensures reliable performance in demanding residential and commercial settings while simplifying the installer’s workflow with minimal moving parts and clear, contractor-friendly specifications.
200 Litre direct unvented cylinder – Electric water heater Looking for a 200 litre direct unvented cylinder or 210 litre direct unvented cylinder in duplex stainless steel ? then we have you covered as we supply a 215 litre direct unvented cylinder which covers these direct models hot water capacity. Manufactured in the UK, with […]
300 Litre direct unvented cylinder Our 300 litre direct unvented cylinder is engineered in corrosion-resistant duplex stainless steel and is a competitively priced cylinder. We designed it to achieve high flow rates and a long product life using proven technology and a quality manufacturing process for this unvented hot water cylinder for mains pressure hot […]
210 Litre indirect unvented cylinder Our 210 litre indirect unvented cylinder is the best and most competitively priced cylinder on the UK market, manufactured in stainless steel with proven technology and quality manufacturing for maximum life with the capacity to supply mains pressure hot water for your bathroom, shower, wet rooms, and kitchen tap hot […]
400 Litre indirect unvented cylinder Our 400 litre indirect unvented cylinder, or calorifier, is manufactured in stainless steel with proven technology and quality manufacturing processes and has the capacity to supply your mains pressure hot water demands for your bathrooms, showers, wet rooms, and hot water taps. Conventional boiler fed This indirect unvented cylinder […]
150 Litre indirect unvented cylinder Our 150 litre indirect unvented cylinder is the best and competitively priced cylinder on the UK market, manufactured in duplex stainless steel with proven technology and quality manufacturing with the capacity to supply mains pressure hot water for your bathroom, shower, wet rooms, and kitchen tap hot water demands in […]
Pressurised hot water cylinders – what are they? Pressurised hot water cylinders, also known as unvented cylinders, are storage tanks that supply pressurised hot water to homes without relying on gravity as they take water directly from the mains. These systems are connected directly to the mains water supply; thus, they are a pressurised system, […]
Industrial gas water heaters Our industrial gas water heaters are condensing water heaters for maximum energy efficiency and lower hot water heating bills. This industrial gas fired water heater can be used in an industrial instant hot water heater configuration but also can be linked up to a hot water storage tank for water heating […]
500 Litre Indirect unvented cylinder Our 500 litre indirect unvented cylinder or calorifier options are some of the best and competitively priced cylinders on the UK market, manufactured in stainless steel (or the option of glass-lined) with proven technology and quality manufacturing with the capacity to supply mains pressure hot water for your bathroom, shower, […]
