1/2 Inch Trappex Centrashock Diaphragm Shock Arrestor

Key Features

• Prevents water hammer: absorbs pressure surges to reduce pipe vibrations and prevent damage.
• Protects boilers: helps prevent leaks and ensures compliance with boiler warranty requirements.
• At 0.16 litres, it’s ideal for single outlets or small groups of outlets.
• Connects via standard 1/2″ fittings for quick and straightforward setup.
• Durable - fixed membrane construction for long-lasting performance.
• Maximum working pressure of 10 bar.
• WRAS Approved

This mini expansion vessel is essential for modern plumbing systems, particularly in homes with water meters or non-return devices, and is a requirement for many boiler warranties. 

By accommodating small increases in system volume, it ensures smooth operation, protects against leaks, and prevents pipe vibrations caused by sudden changes in water flow, such as from lever-operated taps or appliances like dishwashers and washing machines.