VacuMaid 240V Mother Board for S3240, P350P & SR89 Older Central Vacuums MC-CG885 The wiper scrapes the cleaning

The wiper scrapes the cleaning roller as it turns

Tip: A little goes a long way

Important: this tool only fits ProHeat 2X Revolution models with serial number 18334 and later

Benefit: Motorized deep carpet cleaning across the whole house

VacuMaid 240V Mother Board for S3240, P350P & SR89 Older Central Vacuums MC-CG885 The wiper scrapes the cleaningThis genuine VacuMaid 240V Mother Board (Part #PC840) is the replacement control board for older VacuMaid central vacuum power units. It manages the low voltage start stop signaling that switches the motor on and off in response to your wall inlets and hose handle. Designed for earlier production units, the PC840 is the correct board for the older S3240, P350P and SR89 power units. If your unit is a newer revision or uses a different relay or