Zilmet 35L Hydro Pro Potable Exp Vsl

Expansion vessel for electrical pumps, anti-water hammer and water heaters. Capacity 35 Ltr.Compact design with seamless diaphragm which does not stretch or crease. Without bubbles or corners to trap sediment, inhibiting bacterial growth, with international approvals for use with potable water. Protected precharge vlave. Durable steel tank. Deep drawn steel shell for extra strength MIG welding process eliminates interior rough spots and sharpe edges preventing damage to diaphragm and liner. Pre-pressurised air chamber. The butyl diaphragm isolates water from air. Exclusive internal epoxy-polyester coating. No rusting. Mild steel connection.