Heatrae Sadia 2500 Litre Megaflo Indirect Unvented Cylinder 10 Bar 45050579

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At 2,500 litres and rated to 10 bar working pressure, the Heatrae Sadia Megaflo Indirect Unvented Cylinder (45050579) is engineered to meet the hot water demands of the most intensive commercial environments.  The inner vessel is fabricated from duplex stainless steel, ensuring long-term structural integrity and reliable performance under sustained commercial load.

From hotels and hospitals to care homes, leisure centres, and large HMOs, the Megaflo 2500 Litre (45050579) is built for commercial environments where hot water supply cannot be interrupted. Indirect heating via an internal primary circuit coil ensures compatibility with gas, oil, and heat pump systems, while the fully unvented configuration delivers balanced mains pressure to every outlet in the building.

Key Benefits

• 2500 Litre Storage Capacity - Delivers the hot water volume required to support demanding commercial draw-off networks, maintaining consistent pressure and flow rate across multiple simultaneous outlets without interruption.
• Mains Pressure Performance (Up to 10 Bar) - Operates at full mains pressure throughout, eliminating the need for a cold water storage cistern or header tank and ensuring a powerful, balanced supply to every outlet in the system.
• Indirect Heating - Stored water is heated via an internal coil connected to a boiler or heat pump, keeping the heat source separate from the stored volume and ensuring compatibility with gas, oil, and renewable primary systems.
• Unvented System - No Cold Water Tank Required - Connected directly to the mains, the system requires no roof-mounted or plant room cistern, freeing up space and simplifying the overall installation.
• Duplex Stainless Steel Inner Vessel - The duplex stainless steel inner vessel withstands the demands of continuous commercial operation, offering strong corrosion resistance, a long service life, and stable performance regardless of local water quality.
• High-Performance Thermal Insulation - A CFC-free foam-insulated outer jacket minimises standing heat losses between cycles, reducing the energy required to maintain stored water at temperature.
• Industry-Leading Heat Recovery - Super coil heat exchangers maintain recovery times of under 60 minutes across all models, keeping the hot water supply continuous and reliable even under prolonged peak demand.

Specification