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Aquasystem AR18 18 Litre 3 Bar Expansion Vessel XVES050050
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£43.49
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£43.49
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Price excluding VAT: £36.24
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The Aquasystem AR18 Litre Expansion Vessel keeps your system running smoothly. Absorbing excess pressure from a boiler or cylinder, ensuring efficient and safe operation.
This product does NOT come with a bracket or hook. It is essential to confirm that this is the correct vessel before making a purchase!
The Aquasystem AR18 expansion vessel delivers dependable performance in domestic and light commercial installations. Engineered to absorb pressure fluctuations and protect your system from thermal expansion, this 18-litre vessel ensures smooth, efficient operation year after year..
- System protection: Absorbs excess pressure caused by water expansion, preventing damage to pipes, valves, and appliances
- Consistent performance: Pre-charged to 3 bar for optimal operation in standard UK installations
- Versatile application: Suitable for both potable water and heating systems
- Compact footprint: 18-litre capacity fits easily in plant rooms and utility spaces
- Built to last: Robust construction with replaceable membrane for long service life
If you require the model that comes complete with the bracket and hook, please click here to purchase.
Features
- Vertical Expansion Vessel
- Suitable for use within potable systems
- Suitable for fluid group 2
- Stainless Steel Bolted Flange - prevents corrosion
- EPDM Internal Replaceable Membrane - prevents corrosion
Specification
| Preset Pressure | 3 Bar |
| Max Pressure | 10 Bar |
| Temperature Range | -10°C - 100°C |
| Connection | 3/4" MBSP |
| Capacity | 18 Litre |
| Shell | Epoxy Coated Steel |
| Bolted flange | Stainless Steel |
| Membrane | EPDM |
| Color | White |
| Height | 430 mm |
| Diameter | 280 mm |
| Part code | XVES050050 |
If you are interested in purchasing in bulk please get in touch with us at support@arcanu.com or fill out an enquiry form here.




