Monsoon Standard 1.5 bar Twin - Shower & whole house pumps

Monsoon Pumps

Monsoon Standard 1.5 bar Twin pumps are designed to boost the incoming hot and cold water cupply to a shower, bath, shower mixer or mixer tap. Suitable for positive head applications only.

Suitable for domestic use, Monsoon Standard pumps are suitable for installation into open vented hot and cold water systems.

Monsoon Standard pumps require a flow of just 0.6 l/min through the outlet to start.


  • Boost hot and cold water services to the complete home, bathroom, kitchen or cloakroom.
  • Boost hot and cold water supplies to a high performance shower system.

Technical Specification

Product code 46506
Guarantee 5 years
WRAS approval 1404702
Pump type Peripheral
Mechanical seal EPDM / PTFE / Al. Oxide
Anti vibration feet  
Inlet strainer(s)  
Flexible hoses 4
Dry run protection  
Pump body Brass
Impeller Brass
Maximum head (closed valve) 1.5 bar
Performance @ 9 l/min 1.2 bar
Performance @ 18 l/min 1.1 bar
Maximum flow 49 l/min
Maximum static inlet pressure 14 metres
Maximum working pressure* 600 kPa (6 bar)
Maximum ambient air temperature 40 °C
Min / Max water temperature** Min 4 °C / Max 65 °C
Flow switch sensitivity (approx) 0.6 l/min
Pump connections G ¾ male
Flexible hoses
Connections (UK model) G ¾ female x 22 mm push-in
300 mm long
Isolating valves on all hoses
Connections (ROI model) G ¾ female x 21 mm push-in
300 mm long
Isolating valves on all hoses
Connections (Export model) G ¾ female x G ¾ female
300 mm long
Type Induction, auto-reset thermal trip
Duty rating Continuous (S1) @ 9 l/min and above***
Power supply/phase/frequency 230 V a.c./ 1 / 50 Hz
Current (full load) 1.5 Amps
Power consumption 345 Watts
Fuse rating 5 Amps
Power cable (pre-wired) 1.5 metres
Enclosure protection IPX4
Length 265 mm
Width 126 mm
Height (excluding hoses) 202 mm
Weight (including fittings) 7.2 Kg

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

** A stored water temperature of 60 °C is considered sufficient to meet all normal requirements and will minimise deposition of scale in hard water areas.

*** Both heads pumping 4.5 l/min and above.