Cylinder Style Water Heaters

Cylinder Style Water Heaters

Unvented hot water cylinders are now the most popular option for new hot water systems and operate at the same mains pressure as the incoming cold water supply (typically 3 bar or so) and therefore provide excellent water flow rates without requiring an header tank in the loft space or additional pumps. In 'direct' units the water is heated by o...

Unvented hot water cylinders are now the most popular option for new hot water systems and operate at the same mains pressure as the incoming cold water supply (typically 3 bar or so) and therefore provide excellent water flow rates without requiring an header tank in the loft space or additional pumps. In 'direct' units the water is heated by one or more electric immersion heaters, whereas a gas/oil boiler is required for an indirect unit.



They provide an abundance of efficient and reliable hot water for faster filling baths, invigorating powerful showers and with a balanced supply to taps and sinks whether in the home or in a high demand commercial or leisure applications.



The Cylinder Style Water Heater range offered by Shop4 Electrical provide outstanding and unparalleled levels of hot water performance, comfort and energy-saving. Products from marketing leading brands such as Heatrae Sadia, Zip and Hyco Manufacturing are offered at the cheapest online prices.

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  • Heatrae Sadia Megaflo eco Water Heaters
    Megaflo eco is the best choice for conserving energy while providing superior performance. Whether it's for home or workplace, there's a model to suit the application needs.

    Megaflo eco is the best choice for conserving energy while providing superior performance. Whether it's for home or workplace, there's a model to suit the application needs.

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  • Heatrae Sadia Megaflo eco Systemfit Water Heaters
    The timesaving Megaflo eco Systemfit package not only speeds installation but significantly enhances the quality and integrity of the central heating system, thus eliminating costly call backs.

    The timesaving Megaflo eco Systemfit package not only speeds installation but significantly enhances the quality and integrity of the central heating system, thus eliminating costly call backs.

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  • Heatrae Sadia Megaflo eco Slimline Cylinder Style Water Heaters
    Complete with the tried and tested internal expansion system, Megaflo Eco Slimline offers a number of features that place it well ahead of the competition on performance, quality and reliability.

    Complete with the tried and tested internal expansion system, Megaflo Eco Slimline offers a number of features that place it well ahead of the competition on performance, quality and reliability.

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  • Heatrae Sadia Premier Plus Cylinder Style Water Heaters
    Flexible to a range of domestic setups, PremierPlus heats, stores and delivers piping hot water at mains pressure, across multiple outlets. The PremierPlus range delivers hot water when and where you need it most. Built to the highest standards PremierPlus units offer...

    Flexible to a range of domestic setups, PremierPlus heats, stores and delivers piping hot water at mains pressure, across multiple outlets. The PremierPlus range delivers hot water when and where you need it most. Built to the highest standards PremierPlus units offer exceptional corrosion resistance and long-life expectancy.

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  • Zip AquaFlo II Water Heaters
    The Zip AquaFlo range of unvented stainless steel cylinder water heaters operate directly from the mains supply they are ideal for use in larger domestic or commercial applications. Available for both in-direct /direct heating options and capacity sizes ranging from 90 to 300...

    The Zip AquaFlo range of unvented stainless steel cylinder water heaters operate directly from the mains supply they are ideal for use in larger domestic or commercial applications. Available for both in-direct /direct heating options and capacity sizes ranging from 90 to 300 litres.

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  • Hyco Everlast Cylinder Style Water Heaters
    The Everlast Direct is a large capacity unvented water heater suitable for small flats and houses or much larger requirements such as hotels, sports centres or nursing homes. Mains pressure for high flow rates.

    The Everlast Direct is a large capacity unvented water heater suitable for small flats and houses or much larger requirements such as hotels, sports centres or nursing homes. Mains pressure for high flow rates.

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  • Heatrae Sadia Megaflo eco Solar Water Heaters
    Developed to Heatrae Sadia's exacting performance and reliability standards, the Megaflo eco solar technology provides up to 60% annual hot water requirement by solar energy.

    Developed to Heatrae Sadia's exacting performance and reliability standards, the Megaflo eco solar technology provides up to 60% annual hot water requirement by solar energy.

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  • Zip AquaFlo II Solar Water Heaters
    The Zip AquaFlo Solar cylinders have been specifically designed for use with solar heating systems and feature a high efficiency heat exchanger to extract maximum benefit from the solar energy that is available. Available in both direct and indirect options ranging from 150 to...

    The Zip AquaFlo Solar cylinders have been specifically designed for use with solar heating systems and feature a high efficiency heat exchanger to extract maximum benefit from the solar energy that is available. Available in both direct and indirect options ranging from 150 to 300 litres.

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