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 Groups 322/323/324
Safety Group 322 7 bar, without siphon 0322.15.006 10 bar, with siphon 0322.15.007 Safety Group 323 6 bar, without mixing valve 0323.15.012 7 bar, without mixing valve 0323.15.015 6 bar, with mixing valve 0323.15.013 Safety Group 324 6 bar, without mixing valve 0324.15.011 6 bar, with mixing valve 0324.15.012
For the connection to unvented (pressurized) electric wall-mounted water heaters. Body made of hot-pressed brass, high gloss polished. DVGW-tested and acoustic approval class 1 (323 / 324). The assembly 322 includes a stop valve and a diaphragm pressure relief valve. For water heaters up to a volume of 10 l. The assembly 323 is also equipped with a check valve with test device. The assembly 324 also includes a check valve with test device and an additional pressure reducing valve. Outlet pressure adjustment range 1.5 to 6 bar. Factory-set to 4 bar. The assemblies 323 and 324 can be used for water heaters up to a volume of 200 liters.
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