Mains pressure hot water. Balanced supply to all taps.

Our unvented water heaters provide a number of benefits compared to our vented systems, including mains pressure hot water output and a balanced supply to all taps or outlets.  Ideal for multi-basin installations, our unvented systems allow for more flexible installation with no need for a separate cold water cistern and these units can be fitted with our standard taps too.

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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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Customer support
If you want more information on how to order; book a service or repair for your product; register your warranty; or to call our UK based helpline, you've come to the right place. Just give us a call and see how our award-winning Customer Support team can help you.
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literature library
Literature library
Our Literature library contains all the Heatrae Sadia and Megaflo Literature brochures, installation guides and user guides, available to view and download from one easy to use, centralised location including an archive for discontinued products.
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Engineered in Britain.

Trusted worldwide.