HONEYWELL DU145 Automatic By-Pass Valve ( New ) Start Price GBP 4.99 Current Price GBP 4.99 Time Left - Bid Count 1 Buy It Now Price - Reserve Price - Start Time Wednesday, August 27, 2008 End Time Monday, September 01, 2008 Location cullompton, Devon See more about 'HONEYWELL DU145 Automatic By-Pass Valve ( New )' Description Honeywell Auto Bypass Valve 22mm DU145 new in box Unique and simple adjustment mechanism -High capacity flow up to 50 litres per minute -Wide differential pressure gauge 0.1 Bar 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 Place a Bid!