Choosing a Plumber When you're looking for a professional plumber in Sydney, NSW, there are several emergency call out sydney plumbers options available. Most homeowners will wait until they have a plumbing emergency before they call a plumber. However, your plumbing system is an important part of your home and any part that breaks needs immediate attention. A plumbing emergency can cause you and your family to become sick if it goes unnoticed. When you have an emergency, a Sydney plumber will be there to fix your problem quickly.