See all products of Accessories Inspection wall box (for distribution manifolds) Screw plug with nut (for distribution manifold outlets) Replacement balance/flow meter Replacement shut-off valve Self cleaning flow meter Off-centre differential by-pass assembly Replacement shut-off valve (fits 668 & 663 Series manifold) Snap-on thermometer directly to PEX, PEX-AL-PEX and copper piping White replacement knob for manifold Double nipple for coupling PEX fittings Wrench
