My 15 or 20 year old Beam central vacuum was turned on manually but not via the hose switch. Low voltage circuitry comes from the control board. So I bought this. The Eureka part has the same part number as the beam controller. It only took a few minutes to remove the old board, and this is important - strip the wires from the old board and connect them to the new board, one wire at a time, to identical pins on the new board. Now everything is in order.
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