ByPass Valve Assembly Compression
Arrow Valves
£475
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Automatic bypass valve assembly enabling the supply of mains water should a pump set fail. The assembly features a special low head-loss Double Check Valve assembly and four full bore isolating valves with unions. In service, the boosted water pressure is normally higher than mains and the Double Check Valve is closed. If the pumps fail (or are turned off for maintenance) water continues to the system at mains pressure, whcih is often sufficient to provide water for domestic purposes. Traditionally bypasses are considered a source of stagnant water and a backflow risk. However the Arrow Bypass
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Buy from ARROW VALVES LIMITEDOut of stock. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.






