IL Licensed Plumbers - Affiliates of Plumber's Local #130

EPA Certified for Cross-Connection control devices (RPZ) 


Plumbing Services

Let our licensed, highly-trained team show you why Diemer Plumbing continues to be clients' first choice. We have the manpower, the tools and experience to get the job done right and on-time.


  • Interior Plumbing (primarily commercial)
  • Exterior Site Plumbing
  • Sewer & Water Main Installations and Repairs
  • Cross - Connection (Back-Flow Prevention Device Installations/Inspections) (RPZ)
  • Drain & Sewer Rodding including Jet Rodding and Power Cable Rodding
  • Video Camera Sewer Lines
  • Confined Work Space
  • Gas Piping
  • Hot Water Heaters
  • Sump & Ejectors Pumps
  • Grease Basins
  • Water Line Freezing
  • Emergency Plumbing Repairs
  • Leak Detection


  • Banks
  • Hospitals
  • Shopping Plazas
  • Factories
  • Institutions