GB Gas Purging Calculator

Work out gas purging volumes. Under IGE/UP1b Domestic installers can work on pipes up to and including. 35mm or 1 1/4" and meters up to 16 m3/hr volume. Calculations are required, well not any more. Select the type of meter, input the lengths of pipe that have or will be installed in the property press calculate. It is so simple no more tables or decimal points to get wrong.