Honeywell DU145 Automatic By Pass Valve 22mm Angled Controls Flow Of Water Through A Bypass Circuit Which Is Installed Between Flow And Return Pipework.

• Unique and simple adjustment mechanism
• High capacity flow - up to 50 litres per minute
• Wide differential pressure range 0.1 to 0.6 bar
• 22mm compression fittings for ease of installation
• Reduces system noise and maintains an even system pressure
• Ensures constant flow through boiler
• Lockable set pressure prevents inadvertent adjustment