The Megaflo Eco Direct 300L (2-Immersion) Unvented Hot Water Cylinder is the largest standard Megaflo Eco direct cylinder, designed for large family homes and properties with high domestic hot water demand. With a 300-litre nominal capacity and two 3kW titanium immersion elements, it provides a high-capacity direct hot water storage solution without requiring a pump or header tank.
Manufactured in the UK, the cylinder features 60mm CFC-free polyurethane foam insulation and an internal floating baffle that removes the need for an external expansion vessel. It can deliver up to 76 l/min at 3 bar and includes a factory-fitted T&P valve, 3 bar PRV, tundish and full unvented kit. The cylinder has an ERP C rating and a lifetime guarantee for domestic installations.
300L Capacity
Direct Unvented
2 Γ 3kW Titanium
ERP C
Lifetime Domestic Guarantee
300 Litre Capacity
High-capacity hot water storage designed for large households and high-demand properties.
Twin Titanium Immersion
Two 3kW titanium immersion elements provide a combined 6kW direct electric heating capacity.
60mm Insulation
CFC-free polyurethane foam insulation helps reduce standing heat loss.
76 l/min Flow Rate
Delivers up to 76 litres per minute at 3 bar according to the supplied specification.
Applications & suitability
Large Family Homes
The 300-litre capacity is suited to larger households requiring substantial domestic hot water storage.
High-Demand Properties
Provides high-capacity direct hot water storage for properties with greater hot water requirements.
Direct Electric Heating
Two 3kW titanium immersion elements provide direct electric heating within the cylinder.
Mains-Pressure Hot Water
The unvented configuration provides mains-pressure hot water without a pump or header tank.
Key specifications
| Nominal Capacity |
300 litres |
| Height |
2053 mm |
| Width Γ Depth |
579 Γ 600 mm |
| Weight Empty / Full |
56 kg / 339 kg |
| Standing Heat Loss |
1.69 kWh/24h |
| Max Flow at 3 bar |
76 l/min |
| Immersion Heaters |
2 Γ 3kW Titanium @ 240V |
| Heat-Up Time |
146 min |
| Operating Pressure |
3 bar |
| Max Mains Pressure |
16 bar |
| ERP Rating |
C |
| Product Code |
95050473 |
Installation & compatibility
The Megaflo Eco Direct 300L is designed as a direct unvented hot water cylinder and operates at 3 bar, with a maximum mains pressure specification of 16 bar. The internal floating baffle removes the need for an external expansion vessel, while the factory-fitted T&P valve, 3 bar PRV, tundish and full unvented kit provide the stated installation components.
Design & performance benefits
High-Capacity Storage
The 300-litre nominal capacity provides substantial stored hot water for high-demand domestic applications.
Twin Titanium Elements
Two 3kW titanium immersion elements provide a combined 6kW direct electric heating capacity.
60mm Insulation
CFC-free polyurethane foam insulation supports the stated 1.69 kWh/24h standing heat loss.
76 l/min Flow
The cylinder is specified to deliver up to 76 litres per minute at 3 bar.
Additional installation features
Internal Floating Baffle
The internal floating baffle means no external expansion vessel is required according to the supplied product information.
Factory-Fitted Unvented Kit
Includes a factory-fitted T&P valve, 3 bar PRV, tundish and full unvented kit.
No Pump or Header Tank
The direct unvented design operates without the need for a pump or header tank.
Ideal for
Large Family Homes
300 litres of nominal storage for larger households and domestic hot water requirements.
High-Demand Properties
Suitable for properties requiring a high-capacity direct unvented hot water cylinder.
Direct Electric Systems
Two 3kW titanium immersion elements provide direct electric heating capability.
Mains-Pressure Installations
Designed for unvented mains-pressure hot water storage without a pump or header tank.
The Megaflo Eco Direct 300L (2-Immersion) combines 300-litre hot water storage with two 3kW titanium immersion elements, 60mm CFC-free insulation and an internal floating baffle. With a stated ERP C rating, 76 l/min maximum flow at 3 bar and lifetime domestic guarantee, it provides a high-capacity direct unvented hot water solution for large family homes and high-demand properties. Order now for a high-capacity Megaflo Eco cylinder designed for domestic applications.
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