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Boiler safety group with connection to expansion vessel BSS GW3/4".
The BSS safety group is made of a steel beam at the end with a thread for the expansion vessel. A pressure gauge, a safety valve, and an automatic air vent are attached to the beam.
The assembly valve allows you to disassemble the air vent without needing to empty the installation. The beam ends with a fastening element with holes for screws, which should be used to secure it to the wall.
The AFRISO MS diaphragm safety valve, which is installed in the safety group, has a CE declaration confirming compliance with the Pressure Directive PED 97/23/EC and a type test certificate issued by the Technical Inspection Office.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.