The Megaflo Eco Direct 125L Unvented Hot Water Cylinder is a high-performance hot water storage solution designed for 1–2 bedroom properties. Manufactured in the UK from high-grade duplex stainless steel, it combines a 125-litre capacity with two 3kW titanium immersion heaters to provide reliable domestic hot water.
With 60mm CFC-free polyurethane foam insulation, an internal floating baffle and a maximum flow rate of up to 76 litres per minute at 3 bar, this direct unvented cylinder supports powerful showering without the need for a separate cold-water storage tank or external expansion vessel. It also comes with a factory-fitted safety arrangement, an ErP B rating and a lifetime cylinder guarantee for domestic installations.
125L Capacity
ErP B Rated
2 × 3kW Immersions
Made in the UK
Lifetime Domestic Cylinder Guarantee
Megaflo Eco Direct 125L – At a Glance
Cylinder Capacity
125 Litres
Immersion Heaters
2 × 3kW
Maximum Flow Rate
76 L/min
At 3 bar
Standing Heat Loss
1.05 kWh
Per 24 hours
Applications & Compatibility
The Megaflo Eco Direct 125L is designed for domestic hot water installations where a compact, mains-pressure unvented cylinder is required. Its 125-litre capacity makes it a potential option for smaller homes and apartments, subject to the property's hot water demand and installation requirements.
- 1–2 bedroom houses, flats and apartments.
- Domestic bathrooms, showers and kitchen hot water outlets.
- Properties requiring mains-pressure hot water without a separate cold-water storage tank.
- Installations requiring electric immersion heating through two 3kW titanium elements.
- Suitable replacement projects where the existing system and available installation space meet the cylinder requirements.
Installation note:
This is an unvented hot water cylinder. Installation and commissioning must be carried out by a suitably qualified installer in accordance with the manufacturer's instructions and applicable regulations. Check available space, incoming mains pressure and flow rate before ordering.
Key Specifications
| Specification |
Details |
| Product Name |
Megaflo Eco Direct 125L Unvented Cylinder |
| Product Type |
Direct unvented hot water cylinder |
| Nominal Capacity |
125 litres |
| Cylinder Material |
High-grade duplex stainless steel |
| Height |
1102mm |
| Width × Depth |
579 × 600mm |
| Weight (Empty / Full) |
25kg / 165kg |
| Immersion Heaters |
2 × 3kW titanium elements |
| Immersion Heater Voltage |
240V |
| Heat-Up Time (Both Elements) |
71 minutes |
| Insulation |
60mm CFC-free polyurethane foam |
| Standing Heat Loss |
1.05 kWh/24h |
| Maximum Flow Rate |
76 litres/minute at 3 bar |
| Operating Pressure |
3 bar |
| Maximum Mains Pressure |
16 bar |
| Expansion Arrangement |
Internal floating baffle; no external expansion vessel required |
| Factory-Fitted Safety Components |
T&P valve, 3 bar PRV, tundish and unvented kit |
| ErP Rating |
B |
| Country of Manufacture |
United Kingdom |
| Cylinder Guarantee |
Lifetime guarantee for domestic installations |
| Product Code |
95050462 |
Key Benefits of the Megaflo Eco Direct 125L
Mains-Pressure Hot Water
Designed to supply domestic hot water at mains pressure, with a stated maximum flow rate of 76 litres per minute at 3 bar.
Twin Titanium Immersions
Two 3kW titanium immersion elements provide electric water heating, with a stated 71-minute heat-up time when both elements operate.
60mm Thermal Insulation
CFC-free polyurethane foam insulation helps reduce standing heat loss, specified at 1.05 kWh over 24 hours.
No External Expansion Vessel
The internal floating baffle provides the expansion arrangement, avoiding the need for a separate external expansion vessel.
Integrated Safety Components
Factory-fitted T&P valve, 3 bar pressure reducing valve, tundish and unvented kit support the required safety arrangements.
Lifetime Domestic Guarantee
The cylinder comes with a lifetime guarantee for domestic installations, subject to the manufacturer's terms and conditions.
Who Is the Megaflo Eco Direct 125L Suitable For?
This 125-litre direct unvented hot water cylinder may be suitable for:
- Homeowners looking for a mains-pressure hot water system.
- Smaller households and 1–2 bedroom properties.
- Installers specifying an electric direct unvented cylinder with twin immersion heaters.
- Domestic projects where an external expansion vessel is not required by the cylinder's design.
Installation & Use
-
Check the installation space: Confirm the available height, width and depth, including sufficient access for installation and servicing.
-
Check the incoming water supply: A qualified installer should assess mains pressure and flow rate to ensure they meet the property's hot water requirements.
-
Install and commission correctly: The cylinder and its unvented safety components must be installed and commissioned in accordance with the manufacturer's instructions and applicable regulations.
-
Use the immersion controls as instructed: Operate the two 3kW titanium immersion elements according to the installation and user documentation.
-
Arrange regular servicing: Follow the manufacturer's maintenance schedule and have the cylinder and safety devices checked by a suitably qualified professional.
Why Choose the Megaflo Eco Direct 125L from GetPlumb?
-
Domestic hot water performance: A 125-litre capacity and stated flow rate of up to 76 litres per minute at 3 bar.
-
Electric direct heating: Supplied with two 3kW titanium immersion elements.
-
Insulated cylinder design: 60mm CFC-free polyurethane foam insulation and a stated standing heat loss of 1.05 kWh/24h.
-
Integrated expansion and safety design: Internal floating baffle and factory-fitted unvented safety components.
-
Long-term domestic cover: Lifetime cylinder guarantee for domestic installations, subject to the manufacturer's conditions.
Frequently Asked Questions
1. What is the capacity of the Megaflo Eco Direct 125L?
It has a nominal storage capacity of 125 litres and is intended for domestic hot water installations, including suitable 1–2 bedroom properties.
2. Does this cylinder need an external expansion vessel?
No external expansion vessel is required for the stated design. The Megaflo Eco Direct 125L uses an internal floating baffle as its expansion arrangement.
3. How many immersion heaters does it have?
It is supplied with two 3kW titanium immersion heaters operating at 240V, according to the supplied specifications.
4. What is the heat-up time?
The stated heat-up time is 71 minutes when both immersion elements are operating. Actual performance can depend on operating conditions.
5. What is the ErP rating?
The Megaflo Eco Direct 125L has an ErP energy rating of B.
6. What guarantee is provided?
The supplied product information states a lifetime guarantee on the cylinder for domestic installations. Check the manufacturer's guarantee terms for eligibility, installation requirements and exclusions.
7. Does the Megaflo Eco Direct 125L require a cold-water header tank?
No separate cold-water storage tank is required for this unvented cylinder. Its suitability depends on the incoming mains supply and the installation requirements.
Shop the Megaflo Eco Direct 125L at GetPlumb
Choose a 125-litre direct unvented hot water cylinder with twin titanium immersion heaters, 60mm insulation and an integrated expansion arrangement for suitable domestic installations.
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