TTC Replacement Pump for 20 Gallon Parts Washer 85-525-052 Flush hose delivers flow of solvent to rinse parts clean quickly and easy. Pump for 20 Gallon Parts Washer. Water Based Detergents Only. Thermally protected 115V motor with on/off switch. 3 way filtration traps solids and grime. In case of fire, safety cover with 165 fusible link melts to close cover automatically.