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It is an essential component for any central heating system. It controls the flow of water through a bypass circuit, which helps to maintain a constant flow through the boiler and prevents overheating. This is especially important in systems with multiple zones or thermostatic radiator valves, as it ensures that the boiler always has a minimum flow rate to prevent damage.
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‚ High capacity flow (up to 50 litres per minute)
‚ Reduces system noise and maintains even system pressure.
‚ Extends the life of the boiler.