Beam Circuit Board for Alliance ECS II Central Vacuum (Assy P3) CMPS-QDZ Part: carrying handle

Part: carrying handle

A motor suppressor can fail or degrade over time

A sound cap clicks back into position and holds everything where it belongs

5 inch roller that also serves the Riccar R20P

25 oz bottle release a clean fragrance as you vacuum

Beam Circuit Board for Alliance ECS II Central Vacuum (Assy P3) CMPS-QDZ Part: carrying handleThis is a genuine Beam circuit board (Part #100639A), the control board assembly used in the Beam Alliance ECS II central vacuum power unit. It is supplied as assembly P3. This board is the electronic brain of the Alliance ECS II system. It manages the unit's switching and power circuitry, turning the suction motor on and off in response to the low voltage signal from your wall inlet valves. A failed board can leave the unit dead, cause it to run