Honeywell DU144A1001 Straight Automatic Bypass Valve

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Hi-visibility markings on bonnet for low light conditions Protection cap to limit user access to settings Supplied with compression fittings for 22 mm copper pipe Spanner flats to assist with tightening of fittings Knurled handwheel for ease of grip, Manufacturer: Honeywell Control Systems Ltd

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The Honeywell DU144 automatic bypass valve controls water flow in the heating circuit according to the water pressure across it and is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other water paths are closed.