356 Installation systems Spare parts for Duplo Retro products DUPLO RETRO using these command plates: Duplo Supporting frame Code Description Code Description A890024000 Duplo wall fixing guide rail A822091001 Frame supp. W/fixings Auxiliary feet Mechanism Code Description Code Description Models A890005000 Auxiliary supports (w/hung) AH0005300R Kit Inlet mechanism Duplo WC, Montage-Set WC and set_m wc Built-in tank AH0005700R Kit discharge mech. Duplo WC, Montage-Set WC and 3/6 l Built-in tank A505600207 Interruptible Flush Montage-Set WC and Built-in tank mechanism (old model) AH0016200R Kit seal closin flush Duplo WC, Montage-Set WC and mech.dup/tank(1u) Built-in tank