Expert Quality Plumbing & Gas Fitting Provided To You!. Macplumb, a proud South Australian plumbing company and a family business renowned for their honesty and quality of work.. Service: Annual Testing, Backflow Testing, Installation, Maintenance, Repairs, Servicing. Concern: Blocked Drains. Feature: Energy Saving. Specialty: Fire Services, Water Efficiency Advice. Item: Hot Water Services. Payment Concern: Service Contracts. Type: Commercial, Industrial, Residential. Assurance: Accredited, Master Plumbers Association. Structure: Multi-Storey Buildings, Multi-Unit Developments. Industry Association: Plumbing Industry Association