Valcun ducted heating operating switch unit is not working

Tapash requested 2 quotes from Ducted Vacuum Systems Professionals in Glen Waverley

valcun ducted heating is at leat 20 years old. recently it's opering switch (only switch is not working.

Electon vacuum system, motor running, suction weak, blowing dust in garage.
The vacuum is working, but not sucking well, so i expect there is a block...

Ducted vac repair
blocked at machine less feeling good today had a coffee with a friend

Electron VAL Series EL2000 ducted vacuum with low suction
Need someone to come and look at our ducted vacuum, which has very low...

My ducted vacuum system is losing its suction power - need service ASAP.
The ducted vacuum in my 9year-old unit used to have strong suction - I...