(10") Inline Screened Tank Overflow (250mm NB - 273mm OD) The overflow is a necessary item for any storage tank, and must be screened as part of the Water Fittings Regulations 1999 for potable water tanks to prevent igress of insects and debris into the tank, these regulations were more commonly known previously as BYELAW 30,. A Screened overflow for a potable (drinking) water tank should be at least twice the inlet size on the tank. 10 Inch = 250mm o/d of pipe = 273mm (10") UPVC Screened Inline Overflow Fitting Available with: UPVC Pipe Ends Stub Flange Ends Rubber Seal Ends (250-275mm) All screens inside these fittings are made from Stainless Steel.
