Due to nationwide supply chain issues there may be some products with longer delivery times. Find out more here


Product was successfully added to your basket.

Star Star Star Star Star
Share this product
  • Name
  • Your Email Address
  • Recipient Name
  • Recipient Email Address
  • Message
Successfully added to your basket
Heatrae Megaflo Eco 125DD 125 Litre Direct Unvented Cylinder

Heatrae Megaflo Eco 125DD 125 Litre Direct Unvented Cylinder

New Merchandise Created with Sketch.
Item Code: 178551
Expected Delivery:  3 - 5 working days
help and info
Need Help?  0800 181 4488
Ex. VAT £724.46 Inc VAT

Additional Information

Brand Heatrae
Lead Time 3 - 5 working days
Capacity (litres) 100 - 149
Heating type Direct
Immersion 2 x 3kw
Water supply Unvented
Height (mm) 1102
Width (mm) 579
Depth 579
Warranty Lifetime
Manufacturer Part No: 95050462
Diameter No


Heatrae Sadia have an outstanding reputation over the 95 years of manufacturing heating and hot water storage units, where they have built up an exceptional array of knowledge and understanding of their customers needs, meaning they are indisputably one of the market leaders in this industry.

Even with numerous competitors available, Heatrae Sadia continue to maintain their extraordinary standard and this is demonstrated by customers using their products in over 70 countries, proving to be popular worldwide. Their astonishing level of production quality and innovation continues to make them one of the most sought-after brands within the heating industry.

The Heatrae Megaflow Eco 125DD Direct Unvented Cylinder provides hot water for your property directly through the system and is ideally aimed at smaller properties to maximise the cylinders power and efficiency. Where Heatrae Sadia have designed the Megaflow Eco 125DD to be as efficient as possible, the water retention levels are of the highest standard.


  • Capacity: 125 litres 
  • Element rating at 240V: 2x3kw
  • Coil rating: N/A
  • Weight (when empty): 25kg
  • Weight (when full): 174kg 

**We strongly recommend that customers looking to purchase a hot water cylinder double check with their installer first to ensure it is the correct version needed for the installation**

Please note that this model is an direct Cylinder. Any incorrectly purchased hot water cylinder that you wish to return will involve a restocking fee and expensive carriage charges - For further information or advice please contact us. If you need the Direct Cylinder model which works alongside a boiler, please click here.


  • Resistant duplex stainless steel case - can handle pressures up to 15 bar
  • Coil-in-coil' heat exchanger to improve recovery time
  • Insulated outer casing - increased heating efficiency & pressure relief
  • Unique floating baffle system allows water expansion
  • No anode - removes need to replace or maintain
  • Easy installation process
  • Immersion heater design increases levels of hot water
  • Titanium electric heating elements to ensure the longevity of the cylinder
  • Reduced levels of cold water mixing with hot water
  • Enjoy flowrates up to 20% higher than usual due to the water inlet controls
  • Improved performance at low pressures down to 1 bar
  • Lifetime manufacturer warranty
  • Manufactured in UK

Product Contents

  • 1 x Megaflo Eco 125DD Direct Unvented Cylinder
  • Factory fitted immersion heater and thermal controls
  • Titanium elements
  • Cold water inlet control kit: 0.3MPa (3 bar) pressure reducing valve, 0.8MPa (8 bar) pressure relief valve (BS EN 1567, BS EN 1491 EN 13959) 1/4 turn isolating valve, line strainer, non-return valve, drain valve with hose connection, required nuts and olives
  • Factory fitted temperature and pressure relief valve set at 90 degrees / 1 MPa (10 bars) (BS EN 1490)
  • T&P valve insulation kit
  • 15/22mm Tundish

Click here to see more from our wide range of unvented cylinders. Alternatively you can view more from Heatrae Sadia by clicking here.

Direct Cylinders