Sanitaire SWITCH ASSEMBLY 4870,5855 UPRIGHT SF-H10 Function: Electronic control board with

Function: Electronic control board with integrated on/off switch

the power brush will not activate

It installs in place of the worn catch and typically needs no special tools

Benefit: strong suction and motor protection

clean replacement

Sanitaire SWITCH ASSEMBLY 4870,5855 UPRIGHT SF-H10 Function: Electronic control board withIf the Eureka 4870AT, Eureka 4870BT, and other select models has become difficult to turn on or shuts off unexpectedly, this genuine OEM replacement switch part restores consistent, dependable operation. A failing switch often requires extra pressure, flickers, or operates inconsistently. This part restores crisp, reliable action. Disconnect the vacuum from power before installation. Compatible Models: Eureka: 4870AT, 4870BT, C4571A, C5712A, C5712A1,