PUMP DRAIN FOR BOSCH WASHING MACHINES. Washing machine water drain pump for select Bosch and Siemens washing models. The item “Bosch Washing Machine Drain Pump” is in sale since Saturday, June 9, 2018. This item is in the category “Home, Furniture & DIY\Appliances\Washing Machines & Dryers\Parts & Accessories”. The seller is “allspares123″ and is located in Birmingham. This item can be shipped worldwide.