Unique and simple adjustment mechanism Wide differential pressure range 0.1 to 0.6 bar 22mm compression fittings for ease of installation Ensures constant flow through boiler Reduces system noise and maintains an even system pressure High capacity flow - up to 50 litres per minute 5 Year Warranty Manufacturer Stock Code:DU145-3/4B EAN Code:4019837022778 Length:118 mm Width:72 mm Height:48 mm Diameter:22 mm Weight:0.392 kg Sub-Category:Valves Brand:Honeywell Home Manufacturer Part Number:DU145-3/4B Warranty:1 Years EAN Number:4019837022778 Category:Valves and Fittings Type:Bypass