Domestic Emergency Crossword

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Across
  1. 4. Takes condensate water out of the boiler.
  2. 8. Boiler with water tanks and a hot water cylinder.
  3. 10. Water, gas, electric and drainage.
  4. 12. Element fitted to a water cylinder to provide hot water.
  5. 15. Ignites the burner in a boiler.
  6. 18. Engineer to be appointed for boiler breakdowns.
  7. 19. Builds up in a central heating system, reducing its efficiency.
  8. 20. Building covering made of layers of felt and tar.
Down
  1. 1. Who should we call for gas leaks?
  2. 2. Valve or tap that stops water flow in a pipe.
  3. 3. Boiler that gives hot water on demand.
  4. 5. Appointed to deal with broken keys.
  5. 6. Boiler with a heat exchanger.
  6. 7. Pipe that takes waste gases out of a boiler.
  7. 9. Sets the temperature for a room.
  8. 11. Trade to be appointed for window breakage.
  9. 13. Process to vent air from a radiator.
  10. 14. Vessel to contain water to flush a toilet.
  11. 16. The type of emergency repair covered under the policies.
  12. 17. Stores water to heat a room.