Beam Circuit Board for Alliance ECS II Central Vacuum (Assy P3) CMPS-QDZ while the low-profile body reaches

while the low-profile body reaches under sofas

Fits: Sharp EC-TU4810

is a direct-fit replacement for the molded housing that directs airflow through the vacuum's motor assembly

Fits: Panasonic MC-E417

5 inch roller that also serves the Riccar R20P

Beam Circuit Board for Alliance ECS II Central Vacuum (Assy P3) CMPS-QDZ while the low-profile body reachesThis 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