Customer Questions and Answers for Spray Arm Water Supply Tube by Bosch

The Spray Arm Water Supply Tube is an OEM replacement part for Bosch dishwashers. This tube is responsible for directing water from the dishwasher’s pump to the spray arms, ensuring that dishes are thoroughly cleaned during the wash cycle. Per Bosch this part includes 10027073.

Over time, the spray arm water supply tube can become clogged with debris, develop cracks, or suffer from wear and tear due to regular use. Issues such as mineral buildup, damage from loading and unloading dishes, or general deterioration can affect its performance.

Symptoms of a bad spray arm water supply tube include:

• Poor cleaning performance with food particles left on dishes
• Low water pressure at the spray arms
• Leaks inside the dishwasher
• Unusual noises during the wash cycle

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.