57 Queensway, Petts Wood, Orpington Orpington, Kent BR5 1EB
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Honeywell 22mm Angled Auto Bypass DU145-3/4B


This product is available for pickup in Orpington.

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