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Stuart Turner MainsBoost MB 250SV-3-22 Multi System (3 Vessels)
Increase Mains Water Flow Rates with the Stuart Turner MainsBoost MB 250SV-3 for Combi Boilers & Unvented Cylinders. Suitable for systems where mains pressure exceeds 2.5 bar, yet flow rate is insufficient. Directly connected to your mains supply, MainsBoost water performance systems deliver significant improvements in hot and cold water flow. Overcome low water pressure, ensuring optimal performance for all connected appliances, even during simultaneous usage. Maximise your water pressure and flow efficiency.
- MAINSBOOST vessel systems offer silent, non-electrical operation.
- For mains water pressure under 2.5 bar, the MAINSBOOST Charger pump, used with a MAINSBOOST vessel, delivers a noticeable pressure boost for a better water experience. *Pump is an optional extra, please see 'Optional Charger Pump' dropdown box.
- These 250L vessels provide 137.5L of pressurised cold water storage per vessel and include the MAINSBOOST Monobloc 22/28mm Upstream Kit (USK) for easy upstream connection.
- Benefit from a robust epoxy-coated steel construction and a long-lasting virgin butyl diaphragm, all protected by a 5-year warranty.
This system is comprised of:
- 1 x MAINSBOOST MB 250 SV (SKU: 44461)
- 2 x MAINSBOOST MB 250S Add On Unit (SKU: 44626)
Features
- 5 year warranty
- WRAS Approved Product
- Up to 80 litres/minute per vessel
- 250 litre nominal size / 137.5 litre actual usable capacity per vessel
- Minimal maintenance
- Silent operation
- Consumes no electricity (vessel only version)
- Robust construction
- Long life butyl diaphragm
- Integral strainer
- Comprehensive ULK installation kit included
| Product Type | Pressure Vessels |
|---|---|
| Product Code | 44461+44626+44626 |
| Model Range | MainsBoost Range |
| Manufacturer | Stuart Turner |
| Material | Epoxy Coated Steel body |
| Warranty | 5 Year Warranty |
| Dimensions | 535 x 535 x 1210mm high (vessel only) |
| Orientation | Vertical |
| Positioning | Floor standing |
| Max Pressure | 10 bar |
| Max Temperature | 35°C |












