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Stuart Turner Mainsboost Flomate MBF 300-1-15

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Stuart Turner Mainsboost Flomate MBF 300-1-15

Stuart Turner Mainsboost Flomate MBF 300-1-15 water pressure booster unit for mains-fed hot and cold supplies.

Manufacturer part no.
46637
Showing prices

£1,368.00

£1,140.00 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Mainsboost Flomate MBF 300-1-15 is a water pressure booster unit from Stuart Turner, part of the Mainsboost Flomate range. It is installed on a mains-fed supply to raise and stabilise the pressure and flow delivered to hot and cold outlets in the property. It is supplied as a complete unit for fitting by a competent installer.

Signs this part needs replacing

  • Noticeably reduced flow at hot and cold outlets compared with previous performance
  • The unit fails to start when an outlet is opened
  • Frequent cycling, hunting or abnormal noise during operation
  • Visible leaks or water tracking from the unit or its connections

Before you order

  • Confirm the model reference on the existing unit matches MBF 300-1-15
  • Check the available space and services at the intended installation position
  • Confirm the incoming mains supply arrangement is suitable for a booster unit of this type
  • Verify the outlet demand the unit is expected to serve before ordering

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.