Hot water under control: standard-complying protection of water heaters.

Pressure relief valves are designed to protect water heaters and installations against overpressure caused by the heating of water. With a range including membrane pressure relief valves, various models of the proven safety groups SYRobloc or the SafetyCenter 4807 with an anti-Legionella membrane expansion vessel, SYR offers everything that is required for the connection and protection of unvented water heaters. In accordance with standards, of course. And always under consideration of the service-friendliness. As, we from SYR attach importance to facilitating the installers’ work. Thus, our valves always provide total safety — easily and in no time.
Anti-Legionella Valve 7500
DN 20 7500.20.100 DN 32 7500.32.100
The Anti Legionella Valve 7500 is designed for the protection of unvented (pressurized) potable water heaters and for the connection with an diaphragm expansion vessel. It complies with German standards (DIN 1988, DIN 4753, part 1, DIN 4807 part 5) and the European standard EN 1488. The valve fulfils the requirements of the standards mentioned above and has to be installed according to table DIN 4807-5. The Anti Legionella Valve includes the Anti-Legionella valve itself and a wall-fixing device. Vessels from 8 to 24 liters can be used.
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