The Zilmet Expansion Vessel for Unvented Hot Water - 2 Litres is a potable water expansion vessel designed to accommodate pressure changes in unvented hot water systems. Equipped with a durable butyl bladder membrane, it ensures safe operation by absorbing water expansion, maintaining system integrity.

Manufactured to meet the standards of PED 2014/68/EU and BS EN 13831, this vessel is WRAS and CE approved, ensuring compliance with UK regulations for potable water systems.

It features a 1/2" BSP PM connection and has a precharge pressure of 3.5 bar, adjustable to meet specific cylinder or water heater requirements.

Constructed with dimensions of 230 mm in height and 142 mm in diameter, the vessel is designed for easy installation in compact spaces.

Suitable for maximum operating pressures of up to 10 bar and temperatures reaching 99°C, making it ideal for various hot water applications.

The Zilmet Expansion Vessel for Unvented Hot Water - 2 Litres is a reliable and compact solution for managing pressure changes in unvented systems. With its butyl bladder membrane, high compliance standards, and compact design, it ensures efficient pressure control, making it suitable for potable water systems.

PLEASE NOTE: Check pre-charge pressure meets cylinder/water heater requirements

Alternative Options available.

Benefits

• Compact design saves space during installation
• Butyl bladder membrane optimizes pressure absorption
• Adjustable precharge adapts to system requirements
• WRAS and CE approval ensures compliance
• Handles up to 10 bar for reliable high-pressure use
• Withstands temperatures up to 99°C
• Durable build for long-lasting performance
• Simple 1/2" BSP connection for easy integration
• Meets requirements of PED 97/23/EU directive and BS EN 13831