This part fits: * POTTERTON SUPRIMA 100 (GAS ASSY AND COMBUSTION CHAMBE) * POTTERTON SUPRIMA 100 L () * POTTERTON SUPRIMA 120 L (BOILER ASSY) * POTTERTON SUPRIMA 30 (GAS ASSY - COMB CHAMBER) * POTTERTON SUPRIMA 30 L (BURNER ASSY) * POTTERTON SUPRIMA 40 (GAS ASSY - COMB CHAMBER) * POTTERTON SUPRIMA 40 L (BURNER ASSY) * POTTERTON SUPRIMA 50 (GAS ASSY - COMB CHAMBER) * POTTERTON SUPRIMA 50 L (BURNER ASSY) * POTTERTON SUPRIMA 60 (GAS ASSY - COMB CHAMBER) * POTTERTON SUPRIMA 60 L (BURNER ASSY) * POTTERTON SUPRIMA 70 (GAS ASSY - COMB CHAMBER) * POTTERTON SUPRIMA 70 L (BURNER ASSY) * POTTERTON SUPRIMA 80 (GAS ASSY - COMB CHAMBER) * POTTERTON SUPRIMA 80 L (BURNER ASSY)