Zilmet 2 Litre Potable Drinking Water Expansion Vessel 10 BAR

The Zilmet 2 Litre Potable Water Expansion Vessel is a compact and reliable solution for managing water pressure in camper vans, motorhomes, caravans, boats and domestic plumbing systems. Designed for use with potable (drinking) water, this high-quality expansion vessel helps maintain stable water pressure, absorb thermal expansion and protect plumbing components from excessive pressure fluctuations.

Ideal for use alongside 12V water pumps, pressurised water systems and hot water heaters, the Zilmet expansion vessel can help reduce water hammer, minimise pipework vibrations and improve the overall performance of your water system.

Featuring a durable steel construction and a drinking water-safe internal diaphragm, this 2 litre vessel is designed for long-lasting performance in both mobile and fixed water installations.

Key Features & Benefits

• 2 Litre Capacity – Compact expansion vessel ideal for camper van, motorhome, caravan, marine and domestic water systems.
• Suitable for Drinking Water – Features a potable water-safe diaphragm, making it suitable for fresh water installations.
• 10 Bar Maximum Working Pressure – Designed to withstand high water system pressures.
• Reduces Water Hammer – Helps absorb sudden pressure changes, reducing knocking noises and vibrations in pipework.
• Supports Consistent Water Pressure – Helps stabilise pressure throughout the water system.
• Ideal for Hot Water Systems – Accommodates water expansion as it heats, helping protect plumbing components from excessive pressure.
• Adjustable Air Pre-Charge – Factory pre-charged to 3.5 bar, with pressure adjustable to suit the installation.
• Compact & Durable Construction – Robust steel vessel with a protective external coating.
• 1/2" BSP Connection – Standard threaded connection for straightforward integration into compatible plumbing systems.
• Optional Mounting Bracket – A suitable mounting bracket is available separately.

Technical Specifications

• Manufacturer: Zilmet
• Product Type: Potable Water Expansion Vessel
• Capacity: 2 Litres
• Maximum Working Pressure: 10 Bar
• Factory Pre-Charge Pressure: 3.5 Bar
• Pre-Charge: Adjustable
• Water Connection: 1/2" BSP Male Thread
• Operating Temperature Range: -10°C to +99°C
• Vessel Material: Carbon Steel
• Connection Material: Stainless Steel
• Diaphragm: Potable Water-Safe Membrane
• Diameter: 142mm
• Height: 196mm
• Application: Drinking Water, Pressurised Water Systems & Hot Water Expansion