Features Caleffi 535040 Water Pressure Regulator with Pressure Gauge AG connections with screw connection - max. Operating pressure on input side: 25 bar Max. Operating pressure on output side: 1 to 6 bar - certified according to EN 1567 With pressure gauge 0-10 bar connection at the bottom - mesh density 0.51 mm International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Product DescriptionCaleffi pressure regulator with one-piece replaceable cartridge, 1 inch - 1 1/2 inch