The Megaflo Eco SystemFit 250SF 250L Indirect Unvented Hot Water Cylinder is designed for installation with a heat-only (regular) boiler. Building on the standard Megaflo Eco, the SystemFit version adds factory-fitted plumbing and wiring to help reduce installation time and provide a consistently neat installation. It combines a 250-litre capacity with high flow rates, factory-fitted controls, primary circulation equipment and an internal floating baffle expansion vessel.
250L Capacity
SystemFit Pre-Plumbed
ERP Rating C
Product Code 95050454
Capacity
250 litres nominal
Max Flow
76 l/min at 3 bar
Heat-Up Time
34 minutes
Backup Immersion
1 × 3kW @ 240V
Applications & suitability
Regular Boiler Systems
Designed specifically for installation with a heat-only (regular) boiler.
Larger Hot Water Demand
The 250-litre capacity provides a substantial stored hot water volume for suitable residential installations.
SystemFit Installations
Factory-fitted plumbing and wiring help provide a neater installation while reducing installation work on site.
Mains-Pressure Hot Water
Supports flow rates of up to 76 l/min at 3 bar and 45 l/min at 1 bar.
Key specifications
| Product |
Megaflo Eco SystemFit 250SF |
| Product Code |
95050454 |
| Nominal Capacity |
250 litres |
| Height |
1738mm |
| Width |
630mm |
| Depth |
720mm |
| Weight Empty / Full |
61kg / 297kg |
| Standing Heat Loss |
1.61 kWh/24h |
| Maximum Flow at 3 Bar |
76 l/min |
| Maximum Flow at 1 Bar |
45 l/min |
| Heat-Up Time |
34 minutes (15 l/min, 80°C primary, 15°C–60°C) |
| Recovery – 70% Draw-Off |
23 minutes |
| Backup Immersion |
1 × 3kW @ 240V |
| Operating Pressure |
3 bar (0.3 MPa) |
| Maximum Mains Pressure |
16 bar (1.6 MPa) |
| Minimum Recommended Supply Pressure |
1.5 bar / 20 l/min |
| Inner Vessel |
High grade duplex stainless steel |
| Insulation |
60mm CFC/HCFC-free polyurethane foam |
| ERP Rating |
C |
Installation & compatibility
The Megaflo Eco SystemFit 250SF is designed for use with a heat-only (regular) boiler and is supplied with factory-fitted plumbing and wiring. The cylinder includes three pre-fitted and wired 22mm 2-port motorised valves for CH zone 1, CH zone 2 and DHW, together with a Grundfos UPM3 Auto L 25-70 primary circulation pump, lock shield flow balancing valve and automatic differential bypass valve.
The internal floating baffle expansion vessel is built into the cylinder shell, removing the need for a separate DHW expansion vessel. A cold water inlet control kit is also supplied, incorporating a 3 bar pressure reducing valve with strainer and check valve.
Design & performance benefits
SystemFit Design
Factory-fitted plumbing and wiring help reduce installation time and provide a consistently neat finish.
Duplex Stainless Steel Vessel
The inner vessel is manufactured from high grade duplex stainless steel.
60mm Insulation
60mm CFC/HCFC-free polyurethane foam insulation contributes to a standing heat loss of 1.61 kWh/24h.
High Flow Capability
Delivers a maximum flow of 76 l/min at 3 bar and 45 l/min at 1 bar.
Additional installation features
Factory-Fitted Immersion
Includes a long-life Superloy 825 alloy sheathed 1 × 3kW immersion heater with thermal controls, pre-wired.
Factory-Fitted Safety Components
Includes a 90°C / 10 bar T&P relief valve with insulation kit and tundish, plus an 8 bar pressure relief valve with check valve and drain valve.
Integrated Heating Controls
Three 22mm 2-port motorised valves, primary pump, lock shield flow balancing valve and automatic differential bypass valve are factory fitted.
Ideal for
The Megaflo Eco SystemFit 250SF 250L is ideal for installations using a heat-only regular boiler where a factory-plumbed and wired unvented cylinder can simplify installation. Its 250-litre capacity, high flow performance, integrated expansion vessel, factory-fitted circulation pump and heating controls make it a comprehensive SystemFit solution for suitable domestic hot water installations.
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