Outstanding performance. Optimal comfort.

Unvented water heating is the fastest growing sector of the UK market. Providing mains water pressure supply directly to the hot water storage cylinder for faster filling baths, invigorating powerful showers and with a balanced supply to taps and sinks, our highly efficient unvented cylinders provide outstanding and unparalleled levels of hot water performance, comfort and energy-saving.  Our Megaflo Eco products lead the market with their innovative design, quality manufacture and high efficiency, whilst PremierPlus unvented cylinders provide value for money options.

megaflo eco solar pv ready

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how to buy
How to buy
At Heatrae Sadia we understand that you should never put a price on comfort. Our products are designed with the highest quality of materials and we lead the market with our engineering expertise. Whilst we don't sell our products direct to the trade, we are the only leading manufacturer to have our entire product range stocked by all the leading merchants.
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spec pro
Spec Pro
SpecPro is our product selection tool for specifiers of heating and hot water products to help choose the most suitable Heatrae Sadia and Megaflo products to suit any requirements.
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BIM library
BIM library
BIM (building information modelling) files are available to download for all Heatrae Sadia and Megaflo products in one easy-to-use library resource so specifiers and engineers can easily select and retrieve product requirements.
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Engineered in Britain.

Trusted worldwide.