Grundfos accessories for circulation pumps shut-off set R1/2AGxR1/2AG/15mm Up15-14B connection set for circulation pump UP 15-13 B / BU and UP 15-14 B / BU / BT / BUT consisting of: - check valve R 1/2 AG - shut-off valve R 1/2 AG - adapter screw connection to R 1/2 AG or 15 mm CU pipe