The Heater Assembly is an OEM part for Bosch dishwashers. This part heats the water during the wash cycles, ensuring that dishes are cleaned effectively and sanitized. Causes of a bad heater assembly can include electrical issues such as short circuits, mineral buildup from hard water, or wear and tear from regular use. Symptoms of a bad heater assembly include: The dishwasher not heating water properly Dishes coming out dirty or not fully sanitized The dishwasher taking longer than usual to complete cycles Error codes related to heating issues This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.This part fixes the following symptomsNot drying dishes properlylights flashing or blinkingPart Number 00480317 (AP2802450) replaces 00480316, 480316, 480317, 935753, AH3467590, EA3467590, PS3467590, PS8717889.