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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.

Safety Group 0330


Regular DN 15, 6 bar 0330.15.051 DN 20, 7 bar 0330.20.000 Brass DN 15, 6 bar 0330.15.100 DN 15, 8 bar 0330.15.101 Dn 15, 10 bar 0330.15.102
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.
Hans Sasserath GmbH & Co. KG
Mühlenstraße 62
D-41352 Korschenbroich
+49 2161 6105-0