
8VADA FLOW BOSS JET PUMP VFB-J90 INSTALLATION MANUAL
KNOW YOUR PRODUCT VFB-MSU25
SPECIFICATIONS VFB-MSU25
The Vada Flow Boss Mechanical Water Switching Unit VFB-MSU25 is a fully automatic mechanical
unit that switches between tank and mains water. This device is designed for pressure pump supply
systems, and allows you to harvest rainwater for the toilet, laundry, and other household applications
with automatic mains backup.
The 25mm Switching Unit is suitable for up to 3 toilets, a washing machine, and an additional tap
outlet including irrigation.
The Vada Flow Boss Mechanical Switch is suitable for clean water only.
FLOW BOSS
25mm FI Outlet
25mm FI Mains Inlet
Brass end cap
DN25 nut
25mm FI Inlet
UV Stabilised ABS plastic
casing for longevity
Dual Check Valve
Brass tail
• Pump inlet: 25mm FI
• Mains water in: 25mm FI
• Outlet: 25mm FI
• Max mains pressure: 1000kPa / 10 bar
• Min pump pressure: 350kPa / 3.5 bar
• Max flow rate: 100 litres per minute
• Max water temp: 50°C