Cold Water 1

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Across
  1. 2. What fluid category is hot water classed as?
  2. 4. What fluid category is central heating (domestic) classed as?
  3. 5. The homeowner is responsible for this section of pipework
  4. 7. What valve is used to protect against backflow from fluid category 4 water?
  5. 9. This section of pipe is connected from the mains to the external stop tap
  6. 11. What check valve is used to protect against backflow from fluid category 2 water?
Down
  1. 1. Who is responsible for supplying clean water?
  2. 3. Fluid category 1 is classed as?
  3. 6. This type of system has mains pressure at the kitchen sink only and the rest of the outlets are fed from a CWSC
  4. 8. What check valve is used to protect against backflow from fluid category 3 water?
  5. 10. This type of system has mains pressure at each outlet