280 | C1 Faucet collections ยท Installation M2-E Installation, use and maintenance 1. INSTALLATION 1.1. BEFORE INSTALLATION 1 2 1 Replace the existing regulating cocks with those supplied. 2 Flush pipes thoroughly before and after installation. 1.2. ASSEMBLY 1 2 12 1 First assemble the pop-up waste rod (only for references with pop-up waste) 2 Fit the tap onto the washbasin using the retaining unit. Fit and adjust the pop-up waste mechanism.