Flomate Mains Boost Extra 100 - Low water pressure pump

Previous Products

Now available as MBF 100-1-15

Flomate Mains Boost Extra 100 is suitable for larger properties with multiple bathrooms and outlets.

Designed to sit within a typical kitchen 600 mm larder style cupboard it will deliver up to 30 litres/minute flow at 3.0 bar pressure, dependant on the chosen pressure vessel variant, to multiple outlets within the property, up to the preset cut-in limit at which time the system will deliver 12 litres/minute until demand ends and the pressure vessel recharges.


  • Suitable for higher occupancy properties with two bathrooms or more, Flomate Mains Boost Extra 100 requires no on-site commissioning and fits neatly within a standard 600 mm kitchen larder unit.

Technical Specification

Product code 46635
Guarantee 3 years
WRAS approval 1611336
Pump type Peripheral
Mechanical seal EPDM / PTFE / Al. Oxide
Flexible hoses 2
Diaphragm tank size 100 litre
Diaphragm tank water capacity 50 litre
Dry run protection  
Pump body Brass
Impeller Brass
Maximum head (closed valve) 3.2 bar
Maximum flow 18 l/min
Maximum working pressure* 450 kPa (4.5 bar)
Maximum ambient air temperature 40 °C
Min / Max water temperature Min 4 °C / Max 35 °C
Flow switch sensitivity (approx) 0.6 l/min
Pump connections G ¾ male
Flexible hoses
Connections G ¾ female x 15 mm push-in
200 mm long
Type Induction, auto-reset thermal trip
Duty rating Continuous
Power supply/phase/frequency 230 V a.c./ 1 / 50 Hz
Current (full load) 1.7 Amps
Power consumption 365 Watts
Fuse rating 5 Amps
Power cable (pre-wired) 1.5 metres
Enclosure protection IPX4
Length 461mm
Width 430mm
Height (excluding hoses) 1134 mm
Dry weight (including fittings) 24.5 Kg
Filled weight (maximum) 72.5 Kg

* The maximum pressure that can be applied to the pump under any installation conditions.