CallThor Plumbers are installation specialists for Megaflo unvented water heating.

Nothing quite matches the warm welcome offered to you by the outstanding range of unvented water heating from Heatrae Sadia.

Megaflo HE
Widely recognised as the brand leader in unvented domestic water heating offering levels of performance that are quite simply unrivalled by the competition. Whether it's a single bedsit, a luxury family home or a busy sports club shower complex, Megaflo ensures a constant supply of high power hot water; day in and day out, year after year. Brand leading domestic unvented water heating from 70 to 300 Litre.

Megaflo HE SystemFit
Designed to reduce significantly on-site installation time. These factory-assembled units are pre-plumbed and pre-wired with Danfoss central heating controls, pump, automatic by-pass valve and balancing valve.

NEW Megaflo Solar
Heatrae Sadia now offers a range of domestic hot water cylinders based on Megaflo HE (unvented) which have been specifically designed for Solar applications. Designed for use with a wide range of solar systems now available in the UK, NEW Megaflo Solar is an environmentally friendly and efficient way of providing domestic hot water.

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Megaflo unvented water heating :: features and advantages

NEW high efficiency Megaflo HE offers a number of features that place it well ahead of the competition in terms of performance, quality and reliability, boasting numerous innovative features designed to ensure superior levels of operating efficiency, delivering even more hot water – just when you need it!

Thanks to the high-performance ‘coil in coil’ heat exchanger; more hot water is available quicker than ever before.

• Internal air-gap with patented floating baffle
• Strong, Duplex stainless steel construction
• High performannce 'coil-in-coil' heat exchanger
• No sacrificial anode (eliminates need for annual inspection)
• Appliance-like plastic-coated outer case
• Patented cold water inlet diffuser minimises mixing of cold and hot water
• Water inlet controls increase flow rates by up to 35%
• Improved performance even at 1 bar
• Every unit tested to 15 bar (217psi)
• 25-year transferable cylinder guarantee
• 5-year guarantee on the coldwater control valve
• 2-year gurantee on all other components
• ½" temperature and pressure relief valve