MONSOON STANDARD S4.5 BAR TWIN

Boosting water pressure within gravity fed domestic systems.

  • Suitable for positive head applications
  • Very quiet operation
  • Continuously rated
  • Anti-vibration feet
  • EPDM/PTFE/Al. Oxide seal
  • Pre-wired with 1.5 metre power cable
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Product specification

Product codeProduct codes for the UK and Ireland models46418
GeneralGTIN5050400464181
Warranty5 years (subject to conditions)
WRASWRAS-approved product
KiwaKUKreg4 certified
Conformity certificationUKCA | CE
FeaturesPump typePeripheral
Pump controlPressure & Flow Switch
Mechanical sealEPDM / PTFE / Al. Oxide
Anti-vibration feet
Inlet strainer(s)
Anti vibration hoses4
Dry run protection
CONSTRUCTION
Enclosure protectionIPX4
Pump bodyBrass
ImpellerBrass
Pump mechanical sealEPDM/PTFE/AI. Oxide
PERFORMANCE
Maximum head - closed valve4.5 bar / 45 metres
Performance @ 9 l/min3.9 bar
Performance @ 18 l/min3.4 bar
Maximum flow78 l/min
Maximum static inlet pressure14 metres
Maximum working pressure*600 kPa / 6 bar
Maximum ambient air temperature40 °C
Min / Max water temperature**Min 4 °C / Max 65 °C
Flow switch sensitivity0.6 l/min (approx)
CONNECTIONS
Pump connections (Inlet)G ¾ M
Pump connections (Outlet)G ¾ M
ANTI-VIBRATION HOSES
Connections (Export model) G ¾ F x G ¾ F, 300 mm long
MOTOR
TypeInduction, auto-reset thermal trip
Duty ratingContinuous (S1) @ 9 l/min and above***
Typical Noise dB(A)57 dB(A)
ELECTRICAL
Power supply (Vac/Ph/Hz)230 V a.c. / 1 / 50 Hz
Power consumption - P11090 watts
Current - full load4.9 amps
Fuse rating (amps)13 amps
Power cable length1.5 metres (pre-wired)
DIMENSIONS
Length310 mm
Width126 mm
Height - excluding hoses202 mm
Weight - including fittings10.05 Kg
More information

The Monsoon Standard S4.5 bar Twin Shower Pump is designed specifically for homes with vented water systems typically where water is stored in a cold water tank and hot water cylinder, rather than supplied directly from the mains.

If your home experiences low or inconsistent water pressure from gravity-fed systems, this pump helps boost both hot and cold water together, delivering a balanced, more reliable flow to your shower, bathroom, or multiple outlets.

This model is not suitable for unvented or mains-pressure systems, where water pressure is already supplied directly from the mains. If you’re unsure which system you have, our range includes alternative options designed for different setups.