DIY
To do it yourself, it is obvious that reducing labor costs, but boost the potential stress that may be incurred. Any problems that may arise would be easier dealt with by a professional team, but if you know at least the basics of what you're doing, then you might be able to work without problems. One of the first hurdles they will learn about where the current model of the pipeline already is. To do this, you may need to do extensive research on where all the lead pipes and then all the pieces of copper is necessary, we will ask too.
Pieces as the adapters and elbow parts are normal, but remember the paste flux. It is very important to clean the copper in the weld preparation. In addition, while the pipe next to the old pipe, double check that they are carrying adequate water pipes, hot and cold hot cold.;
Asking for professional help
Hiring contractors may be the best alternative, since it will save any potential stress that may be incurred and that the job is fast and clean. Just to make sure you are getting the best price possible to collect several quotes and check that they are a reputable company.