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 Center 4807
12-Liter-MAG 4807.20.000 18-Liter-MAG 4807.20.001

SYR exclusivity:
the system check

The integrated system check gives quick and efficient information to the installer as to whether the hydraulic system of the domestic installation works properly – at the push of a button! The green LED indicates trouble- free operation. However, if the red LED lights up, the system check has identified water dripping from the diaphragm pressure relief valve. The installation has to be verified.

For the connection of unvented (pressurized) potable water heaters up to a Max.mum of 560 l in accordance with DIN 1988 and DIN 4807. Certified by DVGW and acoustic approval class 1. The Safety Center 4807 includes a connection for an additional cold water user, a check valve with test device, a double isolating system, a diaphragm pressure relief valve, an Anti-Legionella valve with an integrated shut-off valve for maintenance, a diaphragm expansion vessel 12 or 18 liters, an assembly plate with a screw connection for the adjustment of the distance to the wall and a system check. Body made from gunmetal. Head part for diaphragm pressure relief valve 6, 8 and 10 bar included in delivery.
Safety Center 4807
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