Mainsboost MB 1000SV - Mains water pressure boosting


The Mainsboost MB 1000SV features a nominal vessel size of 1000 litres and a pressurised water holding capacity of approximately 550 litres.

Each unit is supplied with a comprehensive Upstream Line-In Kit (ULK) featuring 35mm pipe diameter fittings.

Constructed from an epoxy coated steel body and a highly durable virgin butyl diaphragm, all Mainsboost vessels are WRAS Approved and come with a 5 year guarantee.

Technical Specification

Product code 44746
Guarantee 5 years
WRAS approval 1611336
System patent no. 2349908
Vessel capacity 550 litres
Maximum Head (closed valve) 4.3 bar
Maximum working pressure* 600 kPa (6 bar)
Maximum ambient air temperature 40 °C
Min/Max water temperature Min 4 °C / Max 35 °C
Construction Mild Steel
Membrane Butyl rubber
Connectors 1½ " BSP x 35 mm
Diameter 740 mm
Overall height 2604 mm
Weight (dry) 214 Kg
Weight (total) 764 Kg
Weight (maximum) 1214 Kg

*Working pressure

**This information is per cylinder

Product Variants
Part no Description
44452 MB 100SV-1-22
44453 MB 100SV-2-22
44454 MB 100SV-3-22
44455 MB 130SV-1-22
44456 MB 130SV-2-22
44457 MB 130SV-3-22
44458 MB 200SV-1-22
44459 MB 200SV-2-22
44460 MB 200SV-3-22
44461 MB 250SV-1-22
44462 MB 250SV-2-22
44463 MB 250SV-3-22
44464 MB 300SV-1-22
44465 MB 300SV-2-22
44466 MB 300SV-3-22
44467 MB 450SV-1-22
44468 MB 450SV-2-22
44469 MB 450SV-3-22
44470 MB 450SV-1-28
44471 MB 450SV-2-28
44472 MB 450SV-3-28
44744 MB 600SV-1-35
44745 MB 800SV-1-35
44746 MB 1000SV-1-35