[ Ts Water vest and leak detection 1. After-connecting all pipes, please dis-assembling the plastic protection cover, aid Switch on/off the cartridge, check all connections without any leakage; and all connections connecting to the required functional outlets, Z. Reinstall the plastic protection cover to the valve Rs. Wall tiling program 1. Use parallel ruler to make sure the wall and valve being parallel, Site all 1. Take-off the plastic protection cover. 2.