NEW! Variable Speed Booster Pump

The MAINSBOOST VariQ offers a variable speed, intelligent, energy efficient and quiet water boosting pump.
The MAINSBOOST VariQ is designed to boost water performance from a cold water storage tank, roof tank or ground tank in domestic and light commercial applications and is ideal for many properties with up to 3 floors and up to 10 outlets in operation simultaneously.
Even if multiple outlets, showers and appliances are running at the same time, the speed of the pump will adjust automatically to meet demand without any noticeable drop in water pressure.



Boosting water pressure and flow from a cold water storage tank in domestic and small commercial applications.


Flexible connection hose kits are available as an optional extra:

Mainsboost VariQ Hose Kit (UK) Part No. 29044

Mainsboost VariQ Hose Kit (ROI) Part No. 29045

2 Year Warranty WRAS Approved Product UKCA-CE
Mainsboost VariQ Mainsboost VariQ Mainsboost VariQ Mainsboost VariQ
Mainsboost VariQ
Mainsboost VariQ
Mainsboost VariQ
Mainsboost VariQ
Key Features
  • Boosts pressure up to 5.5 bar
  • Boosts flow rate up to 97 litres/min
  • Variable speed intelligent control
Technical Specification
Product Code 47322
GTIN 5050400473220
Warranty 2 years
WRAS WRAS Approved Product
Conformity Certification UKCA / CE
Pump type Centrifugal multistage
Pump control Variable speed
Priming vent plug
Self priming
Non-return valve
Dry run protection
Flexible connection hoses Optional
Maximum head - closed valve 5.5 bar (56 metres)
Performance @ 60 litres/min 2.0 bar (20.4 metres)
Performance @ 80 litres/min 1.0 bar (10.2 metres)
Maximum flow 97 litres/min
Maximum static inlet pressure 1.0 bar (10 metres)
Maximum static outlet pressure 1.2 bar (12 metres)
Maximum working pressure 650 kPa (6.5 bar)
Maximum ambient air temperature 40°C (Continuous)
Min / Max water temperature Min 4°C / Max 60°C
Maximum suction lift 4 metres (foot-valve and strainer fitted)
Pump connections G1 F
Connection hose kits (optional) G1 M - 22mm push-fit, 300mm long x2 (UK)
G1 M - 21mm push-fit, 300mm long x2 (ROI)
Integral isolation valves
Motor type Permanent magnet variable frequency (thermally protected)
Duty rating Continuous (S1)
Motor speed 3500 - 5200 rpm
Pump body Stainless steel
Impeller Plastic
Pump shaft Stainless steel (304)
Mechanical seal Carbon / Ceramic / EPDM
Typical noise dB(A) From 51 dB(A)
Power Supply (Vac/Ph/Hz) 230 Va.c. / 1 / 50Hz
Power consumption - P1 (Watts) 665 Watts
Current - full load 2.9 Amps
Fuse rating 5 Amps
Power cable length 1.5 metres
Enclosure protection IPX4
Length (excluding hose) 391 mm
Width 194 mm
Height (excluding hose) 292 mm
Weight 8.32 Kg

Mainsboost VariQ Product Short