medium-touched metal parts made of gunmetal, 120 mm inside micrometer, with universal multi-water meter housing G 2 coaxial according to HWW model, fold-out fastening straps, for installing a cold or hot water measuring capsule, made of two one-piece cast water meter sections, consisting of: 2x concealed valves and meter housings with plaster and overflow caps, divisible into two RG120 MONO blocks, maintenance-free spindle seal, operating temperature max. 100 °C, PN 16, dead space free, mounting block foamed into pressure and tension-resistant PU hard foam