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Horizontal expansion tank 24L EU AQUATICA (779101) Bladder SEFA. Automatic operation of the water supply system. Functions: Accumulation of water under constant pressure allows the pump to switch on not immediately when water is drawn from the water supply system, but only as the amount of liquid (pressure) in the expansion tank decreases. Characteristics: Metal body made of painted alloy steel; The membrane used in the expansion tank is made of synthetic ethylene-propylene rubber TM EPDM SEFA; Operating conditions: Maximum ambient temperature: +40°C; Maximum temperature of accumulated liquid: +99°С; Recommended pressure in the air cavity from 1.5 to 1.6 bar; Warranty period: 18 months