PISTON RING WITH SPRING (01042701305) ZET-Horn 131AC 8846027080 thermostat, bimetal - IP 68 ready for connection;thermostat 88441040300 heating inset ZVE(E) 230V / 30W ready for connection 10427013 14447611 1446762 14144682 1446761 14144681 17144 SRD414/2 obsolete, replacement SRD414/4;Sound Reception Device 10427013 Signal Automat 5+s, obsolete 1415118001 ZETFON 50/660