Why should you use a licenced plumber?
The photos show why you should not attempt to complete the work yourself, that you should employ a licenced tradesman.
Licenced plumbers spend the best part of 6 years to learn their trade. This is to protect people and the health of the nation.
So if it sounds too good (cheap) to be true, there may be a reason.
Use a licenced plumber. Date: 20.03.2014