05 Cold Water

• Typical pipe size for an all outlet mains fed cold water system in an average dwelling?

  15mm
• 2 materials domestic cisterns can be made out of?

  1. Plastic
  2. Concrete
• How much room must be allowed above a cistern for maintenance?

  Visual - 500mm

  Maintenance - 350mm
• Which british standard should float valves be operated to?

  BS - 1212