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FLOW BOSS
8
VADA FLOW BOSS
JET PUMP
VFB-J40
INSTALLATION MANUAL
KNOW YOUR PRODUCT
VFB-MSU20
SPECIFICATIONS
VFB-MSU20
The Vada Flow Boss Mechanical Water Switching Unit VFB-MSU20 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 Vada Flow Boss Mechanical Switch is suitable for clean water only.
• Pump inlet: 25mm FI
• Mains water in: 20mm FI
• Outlet: 20mm FI
• Max mains pressure: 500kPa / 5 bar
• Min pump pressure: 300kPa / 3 bar
• Max flow rate: 50 litres per minute
• Max water temp: 40°C
20mm FI Outlet
Dual Check Valve
Brass tail
25mm FI Inlet
UV Stabilised ABS plastic
casing for longevity
20mm Mains inlet