Mikrofill MikroPro Expansion Vessel – 18 Litre – 3 Bar – With Wall Mounting Bracket

The Mikrofill MikroPro 18L Expansion Vessel is designed to maintain stable pressure in sealed heating and hot water systems. The Mikrofill MikroPro 18L Expansion Vessel features a 3 Bar pre-charge and absorbs thermal expansion as water heats up. As a result, it helps protect boilers, pumps, valves, and pipework from excessive pressure while improving the efficiency of your heating system.

Built from heavy-duty steel and fitted with a premium internal diaphragm, this expansion vessel delivers dependable performance and a long service life. Furthermore, it includes a strong wall mounting bracket, making installation quick, secure, and straightforward. Whether you are replacing an existing expansion vessel or installing a new heating system, this model provides reliable pressure management from day one.

In addition, the 18-litre capacity makes this expansion vessel suitable for domestic and light commercial heating systems. It helps reduce pressure fluctuations, which minimises unnecessary wear on boilers and associated components. Consequently, your heating system operates more efficiently while extending the lifespan of important equipment.

The Mikrofill MikroPro 18L Expansion Vessel combines reliable performance with durable construction, making it an excellent choice for professional installers and homeowners. Moreover, its compact design allows installation where space is limited without compromising efficiency or reliability.

Need a different capacity? Browse our Mikrofill Expansion Vessels collection to find the right model for your installation.

For detailed specifications, installation instructions, and technical documentation, visit the Official Mikrofill Website.

Key Features

• 18 Litre capacity
• Pre-charged to 3 Bar
• Includes wall mounting bracket
• Heavy-duty steel construction
• Premium internal diaphragm
• Suitable for sealed heating and hot water systems
• Maintains stable system pressure
• Easy to install and maintain
• Compact, space-saving design
• Long service life

Benefits

• Absorbs thermal expansion efficiently
• Protects boilers, pumps, and pipework
• Improves heating system efficiency
• Reduces pressure relief valve discharge
• Extends equipment lifespan
• Delivers reliable long-term performance