The Bosch 00705174 Dishwasher Heat Pump supports water circulation and heating during dishwasher wash cycles. This replacement heat pump is designed for compatible Bosch dishwashers and combines water movement with heating functions within the wash system. It operates by using an internal motor to circulate water through the dishwasher while an integrated heating element raises the wa... https://www.hnkparts.com/00705174-bosch-heat-pump