Water tank installation is perhaps one of the most crucial tasks pertaining to the water supply of every household. After all, it serves as the repository to provide a daily supply of fresh water.________________________________________ Water tank fitting and installation is a somewhat complicated affair and requires professional supervision of professionals. It is better to hire professional plumbing contractors to install water tanks that best meet the needs of your home. Water tank installation takes couple of hours and requires the assistance of at least 2 PROs. Installation time and prices depends upon the size of tank.