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Variable Speed Drive Pressure Pump VSRM38-72

$1,084.00 $980.00

2-4 Taps.  33LPM@32m head. Max Flow = 72LPM. Max Head = 38m

Additional information

variable Speed Drive Pressure Pump – VSRM38-72

The VSRM Variable Speed Drive Pressure Pump series. Variable-frequency constant pressure series, adopts the latest in VVVF (variable voltage and variable frequency) AC frequency conversion and speed regulation technology.

Constant Pressure

This high quality variable speed drive pressure pump also boast the latest pressure sensing technology, through the feedback of real-time pressure sensing (as compared to the preset pressure).  This means the controller can adjust the motor speed and maintain constant outlet pressure, even with fluctuating demand.

Model Number = VSRM38-72
Rated Flow = 33LPM @ 32m head
Max Flow = 72LPM
Max Head = 38m
Inlet / Outlet = 25mm
Taps = 2-4
Warranty = 2 Years


Applications for Constant Pressure Pumps

  • Whole house supply
  • Commercial laundry applications.
  • Industrial Cleaning (wash down areas etc.)
  • Apartment Blocks
  • Irrigation Supply


Features & Benefits of a Variable Speed Drive Pressure Pump

  • This range has a high efficiency and energy saving design compared with traditional water supply pumps.  This feature can save you up to 30%-60% on your energy usage.
  • Long service life is guaranteed because of the minimal torque and abrasion on the shaft as a result of reduced revolutions in normal operation.
  • With the precise soft start and soft stop, water hammer is virtually eliminated in most installations, thereby protecting the plumbing and appliances from damage.
  • Supplied with 2L pressure tank, pre-charged to 2.0 bar (4L pressure tank on VSRM50-270 model).
  • Liquid temperature 0oC – 90oC
  • Environment temperature 50oC



  • All wetted parts are made of grade 304 stainless steel.
  • Continuous duty, 2-pole induction motor.
  • Thermal overload protection.
  • Class F motor insulation.
  • IP54 Ingress Protection rating.

variable speed pressure pump details


1) This pump is not suitable for suction lift applications. Use with above ground tanks only, the pump must have flooded suction.

2) The suction pipe must be the same diameter size or larger than the pump inlet.

3) A swing check valve must be included in the suction pipework.

4) Other important conditions of warranty are in the instruction manual. Read and follow the instructions before installation.


  • Never set pump at its max pressure = pump won’t turn off.
  • Typically set at 65% of max head pressure (approx middle of optimal operational range).
  • Don’t operate at more than 80% of the maximum head pressure of the pump.
  • Pumps are designed to maintain the pressure they have been set at.
  • Pressure Boosting Application: Mains Pressure + (Max of 80% of total of head pressure) = Desired Pressure.









0.55 / 0.75


2 Years