A hydraulic safety group protects the hot water heater or accumulator against the risk of explosion due to overpressure. The integrated safety valve automatically releases the water until the pressure drops below the nominal value. The non-return valve prevents contamination of the cold water supply by the return of hot water. The installation is emptied by manually actuating the valve in the direction of the arrows.
The installation of a security group is mandatory in any storage hot water heater. Siphon assembly is recommended.
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