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Honeywell 22mm Angled Auto Bypass DU145-3/4B


The Honeywell Dual DU145 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.

SKU: DU145-3/4B Category: Tag: Product ID: 5305


  • Valve housing with compression fittings for 22mm copper tube on inlet and outlet
  • Spindle and plug assembly
  • Bonnet with differential pressure setpoint marking
  • Handwheel to pre-set differential pressure
  • Protection cap
  • Available in Straight or Angled Option