Mainsboost MB 750SV-1-35

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Mains Water Boosting System

For even greater demand, the Mainsboost 750 litre vertical steel vessel with 35mm connections is installed directly onto the incoming water supply and under mains pressure fills with water. When the chamber is full the unit reaches a state of pressure equilibrium. The Mainsboost system now has a volume of pressurised water ready for distribution throughout the property.

Key Features
  • 5 year guarantee
  • Up to 80 litres/minute per vessel
  • 1 x 750 litre pressure vessel
Technical Specification
Product Code 44853
Guarantee 5 years
WRAS status WRAS Approved Product
WRAS approval 1901372
Approvals CE
Patent reference 2349908
Pressure vessel quantity 1

Pressure vessel nominal size

750 litres

Pressure vessel usable capacity

412.5 litres

Upstream Line-in Kit

35 mm

Mounting Floor

Maximum working pressure*

1000 kPa / 10 bar

Min / Max operating temperature

Min 4 °C / Max 35 °C

Max rated temperature

90 °C

Pressure vessel Epoxy coated mild steel
Membrane Butyl rubber
Connection - inlet 35 mm
Connection - outlet 35 mm
Typical Noise dB(A) Silent


750 mm


750 mm


1950 mm

Weight - including fittings

111.6 Kg

Weight - filled

524.1 Kg

Weight - maximum

861.6 Kg

GTIN 13 DIGIT 5050400448532


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