This Myson ABV automatic bypass angled valve is suitable for use in domestic central heating systems. It is designed to maintain a constant pump pressure and flow rate within the system, protecting from over-pressure. Product features * Ensures minimum water flow rates through the boiler * Reduces system noise associated with high pump pressures * No need to fit uncontrolled radiator to act as system bypass * Increases system efficiency * Aids quiet operation of thermostatic radiator valves
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