This part fits: * POTTERTON SUPRIMA 100 (WALL FRAME, EXPANSION VESSEL &) * POTTERTON SUPRIMA 30 (EXPANSION VESSEL) * POTTERTON SUPRIMA 30 SYSTEM BOILER KIT (FRAME MODULE ASSY) * POTTERTON SUPRIMA 30 SYSTEM BOILER KIT (FRAME MODULE ASSY - DV) * POTTERTON SUPRIMA 40 (EXPANSION VESSEL) * POTTERTON SUPRIMA 50 (EXPANSION VESSEL) * POTTERTON SUPRIMA 60 (EXPANSION VESSEL) * POTTERTON SUPRIMA 70 (EXPANSION VESSEL) * POTTERTON SUPRIMA 80 (EXPANSION VESSEL)
