Domestic Emergency Crossword

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