№ Part Number Description Part count in models 016-020-25-2-3 Ring H2-20x16-2 1 11.3515150ХЛ Antifreezer assembly (Unit/Part is not on the picture) 1 11.3515152 Antifreezer body 1 11.3515154 Reservoir 1 11.3515160 Cylinder 1 11.3515162 Pusher assembly 1 11.3515170 Rod 1 11.3515172 Pusher button 1 11.3515174 Cover assembly 1 11.3515176 Washer 1 11.3515178ХЛ Collar 1 11.3515180 Spring 1 11.3515182 Lock ring 1 11.3515186ХЛ Gasket 1 11.3515188ХЛ Gasket 1 11.3515196ХЛ Check valve 1