The Surface Element (240V-2100W) is an OEM part for Bosch cooktops and ranges. It provides consistent, even heating from below pans on the cooktop surface. Causes of a bad surface element can include normal wear and damage from extended, heavy usage. Food or liquid spills left on the element for prolonged periods could potentially corrode the coils or electronics over time as well. Symptoms of a bad surface element include: Element not heating up at all or heating unevenly Element heating intermittently or stopping prematurely Buzzing, clicking or smoke coming from below the element Tripped or blown circuit breakers when using that element This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.00484783 (AP2834565) replaces 00367974, 00368300, 00485542, 1021605, 14-29-662, 14-29-999, 14-39-227, 367974, 368300, 484783, 485542, AH3468206, EA3468206, PS3468206, PS8718503.