BOSCH REPAIR PARTS Bosch Complete Parts Kit Complete parts kit for Bosch 425 and 635 series water heaters includes all of the shaded parts below. Illustrations are not to scale. Cat. # Description 19364 Complete parts kit 19 2 20 Quantity in kit Item Cat. # Description 1 08333 Water Valve Set Screw 10 2 08294 Flame Sensor 2 3 08334 Overheat Sensor 1 4 08335 Water Elbow Fitting 1 5 08336 Water Connection Gasket 10 6 08337 Venturi 2 7 08378 Diaphragm 2 8 08412 Pushrod 2 9 08418 Water Valve Cover 2 10 08445 Water Valve Selector Screw 2 11 08458 Volumetric Water Governor 2 12 08465 Water Valve 1 12 08940 Water Valve For 125B 0 13 08480 Outlet Flex Hose 1 14 08481 Hydro-Generator 1 15 08510 Pilot Burner (LP) 2 16 08515 Pilot Burner (NG) 1 17 08517 Pilot Orifice (NG) 10 17 08518 Pilot Orifice (LP) 10 17 08936 Pilot Orfice For 125B (NG) 0 18 08937 19 08527 19 Thermocouple with Flue Gas Sensor For 125B 1 3 21 1 08935 Pilot Electrode For 125B 0 20 08528 Electronic Control Box 1 21 08546 Flue Gas Sensor 1 22 08579 Flue Gas Sensor 1 23 08585 Microswitch 1 24 08586 Electronic Control Box 1 25 08587 Fuse 10 26 08588 Volumetric Water Governor 1 27 08589 Regulator 1 28 08593 Flue Gas Exhaust Accessory 1 29 08662 Overheat Cutoff Fuse 4 30 08663 Water Valve with Engine 1 31 08664 Water Valve O-Ring 10 32 08665 Water Valve O-Ring 10 33 08673 Water Filter 20 34 08674 Set Of Electrodes 2 35 08678 Gas Valve Washer 10 36 08685 Gas Valve Washer 10 37 08686 Control Unit 1 38 08687 Temperature Sensor 4 39 08688 Overheat Sensor 3 40 08689 Washer 10 41 08938 Cold Water Pipe For 125B 0 30 4 31, 32 33 22 9 8 13 23 7 5 10 0 Pilot Electrode 29 6 12 24 34 11 37 35, 36, 40 25 14 38 26 15, 16 17 27 39 18 28 REVISION 01/22/19 41 5-19