Whenever you need to replace any plumbing systems and devices, you need to consider removing the old parts and devices from your premises.
Throwing away a few small pieces of tubing are easy enough, but what about hot water heaters or old bathtubs.
Since plumbing is their business, professional plumbers have the means of properly disposing of old plumbing parts and devices. Just think if you needed to dispose of an old boiler or commercial water heater, what a job that would be.
One of the benefits of hiring a professional plumbng company is their resourses to get rid of all the old waste plumbing pieces.
With decades of experience, you'll get the job done right, the first time!