Heatrae Sadia 500 Litre Megaflo Indirect Unvented Cylinder 10 Bar 45050571

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The Heatrae Sadia Megaflo 500 Litre Indirect Unvented Hot Water Cylinder (45050571) is a high-capacity, mains-pressure hot water storage cylinder engineered for large residential and light commercial installations. Constructed from duplex stainless steel and rated to 10 bar working pressure, it delivers a consistent, high-flow hot water supply directly from the mains with no cold water storage tank required.

Heated indirectly via an internal coil connected to a primary heating circuit - typically a gas boiler or heat pump - the Megaflo 500 Litre (45050571) operates as a fully unvented system, providing balanced mains-pressure hot and cold water throughout the property. Suitable for large homes, HMOs, and light commercial premises where sustained high hot water demand requires a dependable, mains-pressure supply from a single, low-maintenance storage unit.

Key Benefits

• 500 Litre Storage Capacity - Delivers substantial hot water storage for high-demand properties, large households, and light commercial premises with multiple simultaneous draw-off points.
• Mains Pressure Performance (Up to 10 Bar) - Provides powerful, balanced hot and cold water pressure to multiple outlets simultaneously, with no header tank required.
• Indirect Heating - Heated by an internal coil connected to a boiler or heat pump, ensuring compatibility with a wide range of primary heat sources including gas, oil, and renewable systems.
• Unvented System - No Cold Water Tank Required - Eliminates the need for a roof-mounted cistern, freeing up loft space and reducing the overall system footprint.
• Duplex Stainless Steel Inner Vessel - Offers superior corrosion resistance, an extended service life, and broad compatibility across varying water quality conditions.
• High-Performance Thermal Insulation - CFC-free foam insulation reduces standing heat losses, improving system efficiency and lowering running costs.
• Industry-Leading Heat Recovery - Achieves heat recovery times of less than 60 minutes across all models via high-performance super coils, ensuring rapid reheat and continuous hot water availability.

Specification