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Stuart Turner Monsoon S4.5 Bar Positive Head Twin Booster Pump 240V

MRRP £550.58 + VAT Our price £349.00 (+ VAT) Incl. VAT: £418.80
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Monsoon Standard twin pumps are designed for installation into vented systems to pump both hot and cold water supplies - boosting both equally.  The S4.5 Bar Twin pump is suitable for positive head applications only.


  • Whole House Hot and Cold Water Boosting (upto 3 bathrooms)
  • Bathroom only
  • Multi-Function Shower Boosting
  • Bath / Basin water pressure
  • Negative Head applications within a domestic setting

Stuart Turner Monsoon pumps are low voltage, brass bodied pumps with anti-vibration feet, automatic pressure switch and float switch built in. These pumps are WRAS approved and come with a 5 year warranty.

More Information
SKU 46418
GTIN 5050400464181
Weight 11.4 Kg
Dimensions 310mm Long x 126mm Wide x 202mm High
Manufacturer Stuart Turner
Material Brass
Voltage 240V 1Ph 50Hz
Max Flow 80 l/min
Max Head 45m
Motor Size (kW/W) 1090W
System Type Positive
Head Impeller Twin Impeller
Pipe Size 22 mm
Bar Rating 4.5 Bar


We offer free standard delivery to any UK address on a 3-5 working day delivery time on all orders over the value of £60 + vat. This is not weight restricted

Next day delivery is charged at £6.95 + vat for items under 35kgs.  Orders need to be placed before 4pm for guaranteed Next Day Delivery.

Next day delivery is not avaialble for UK Highlands and Islands. Please click the following link to view postcodes/areas that don't qualify for next day delivery.

Due to some product specifications, there may be a lead time of up to 4 weeks. This is only on a small number of products and you will be contacted upon purchase and entitled to a full refund if required.

For Items over 35kgs, please review our delivery charges here

For full delivery terms please click here

International Delivery

Please click here to view International delivery rates.

If you want your order delivered to a remote area please contact our one of our Sales Representatives on 0800 112 3134 before placing your order and we will assist you further.


Unused, unaltered items may be returned at the buyers expense for credit upon Anchor Pumps prior written consent and upon the terms specified by Anchor Pumps.  The buyer assumes all risk of loss of such returned goods until actual receipt and acceptance by Anchor Pumps.  Please click here to view Returns information.

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