VAILLANT safety group and pipe set R 1/2, concealed installation diaphragm safety valve (type-tested, 6 bar) with test connection for pressure gauge, valve block with shut-off valve, non-return valve with test device, drain funel and connecting pipe. Sound insulation mark PA-IX 1261/l
For mains overpressure below 6 bar
Order no. 0020174068
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