The ARB-1 Anti Cross-Flow and Rodent Barrier Valve prevents cross-flow when fitted to back-to-back WC pans. It also offers an excellent deterrent to rodents ensuring no entry to the building, this is particularly useful when special measures are required for rodent control, as suggested in Approved Document H1 The Building Regulations 2000 (2002 Edition).
The Anti Cross-Flow and Rodent Barrier Valve is made from black polypropylene to prevent light penetration and can be installed either vertically or horizontally
Suitable for use with any McAlpine rigid or flexible WC connector with 4in/110mm rubber outlet seal.