Monument Glass Gas Test Gauges (Manometer) Capacity 30 Mb
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Made From Tough Plastics, Used Both For Testing Pipework Installations With Air For Leaks Before The Introduction Of Gas And For Checking And Setting Correct Gas Pressures On Domestic And Commercial Appliances. Marked In Milibars The Scale Adjusts To Zero The Water Level. Extruded Cover Slides Off And May Be Clipped Over The Base For Standing The Tool Vertically During Use.