1. Several plumbing companies offer 24/7 emergency plumbing services in South Yarra, including Mr Emergency, Inner City Plumbing, Metropolitan Plumbing, and LCL Plumbing.

2. Mr Emergency offers service within 30 minutes and provides a wide range of emergency plumbing services like hot water systems, blocked drains, gas repairs, burst pipes, etc.

3. Inner City Plumbing has been servicing South Yarra for over 25 years and guarantees a one-hour response time for emergencies like burst pipes, drainage problems, and leaking roofs.

4. Metropolitan Plumbing provides emergency plumbing services within 1 hour and offers upfront pricing and interest free payment options.

5. LCL Plumbing has a 5-star rating and is available 24/7 to efficiently help with all your emergency plumbing needs in South Yarra.

6. Other notable emergency plumbers in the area include Endeavour Plumbing, Melbros Plumbing, The Local Plumber, and Blocked Drain Plumbers.

7. When choosing an emergency plumber, consider factors like response time, range of services, pricing, customer reviews and ratings to ensure you get prompt and reliable service.

In summary, there are many reputable plumbing companies that provide fast 24-hour emergency services in South Yarra. Contacting one of the top-rated providers can ensure your urgent plumbing issues are resolved efficiently by experienced professionals.